Many Changes

Added a 'default' image for spots where one is missing. Not the best solution, but it looks better on the site.
Cleaned up my code to avoid some duplication.
Added better 'Select All' logic to the event filter.

public/items/fellowPowerItems.json

@@ -1,6 +1,6 @@
 {
   "1f7aff96-030d-4007-9a70-82db7a8be3e3": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Contestant Portrait (Wolf)",
     "minItemPower": 15000,
     "maxItemPower": 40000,
@@ -10,7 +10,7 @@
     "isEventItem": true
   },
   "2006c92e-8e32-4c9f-a913-3b2d1ed8dea0": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Potion of Bravery",
     "minItemPower": 800,
     "maxItemPower": 800,
@@ -20,7 +20,7 @@
     "isEventItem": false
   },
   "30d05d98-a615-4e3a-94da-8aa6e4ad03a9": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Basic Elixir",
     "minItemPower": 3000,
     "maxItemPower": 3000,
@@ -30,7 +30,7 @@
     "isEventItem": false
   },
   "3eccaaac-5afe-415a-ac8f-55df213cf015": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Potion of Freedom",
     "minItemPower": 800,
     "maxItemPower": 800,
@@ -40,7 +40,7 @@
     "isEventItem": false
   },
   "68a7a68a-2123-4a8e-b64d-9dbdf0637521": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Potion of Erudition",
     "minItemPower": 800,
     "maxItemPower": 800,
@@ -50,7 +50,7 @@
     "isEventItem": false
   },
   "7075da2f-a617-42a1-b142-fe2401ad87ec": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Potion of Inspiration",
     "minItemPower": 800,
     "maxItemPower": 800,
@@ -60,7 +60,7 @@
     "isEventItem": false
   },
   "762a2775-ca50-4c13-8797-2f03b045ed10": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Contestant Portrait (Lion)",
     "minItemPower": 10000,
     "maxItemPower": 25000,
@@ -70,7 +70,7 @@
     "isEventItem": true
   },
   "9c95396d-e5d8-4f7d-9d37-1469e7dc0ee1": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Signed Towel (Yellow)",
     "minItemPower": 4500,
     "maxItemPower": 10000,
@@ -80,7 +80,7 @@
     "isEventItem": true
   },
   "a351a27b-765b-46b5-95fc-99c47e63176d": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Potion of Diligence",
     "minItemPower": 800,
     "maxItemPower": 800,
@@ -90,7 +90,7 @@
     "isEventItem": false
   },
   "a44b763b-833b-49d0-91d6-e5fcb8c6ce7c": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Signed Handkerchief (Yellow)",
     "minItemPower": 2000,
     "maxItemPower": 5000,
@@ -100,7 +100,7 @@
     "isEventItem": true
   },
   "bc5fc5c6-65e1-41c8-822d-d6e06ec0894e": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Advanced Elixir",
     "minItemPower": 30000,
     "maxItemPower": 30000,
@@ -110,7 +110,7 @@
     "isEventItem": false
   },
   "cd50f711-36a4-4b3b-b4ef-84b52c8a18e2": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Champion's Statue",
     "minItemPower": 30000,
     "maxItemPower": 80000,
@@ -120,7 +120,7 @@
     "isEventItem": true
   },
   "ce522371-80bd-4266-b473-8f5ace7099c7": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Signed Handkerchief (Red)",
     "minItemPower": 3000,
     "maxItemPower": 8000,
@@ -130,7 +130,7 @@
     "isEventItem": true
   },
   "d7d705d3-9562-4f03-98d8-3b0da81fcf47": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Champion's Belt",
     "minItemPower": 20000,
     "maxItemPower": 50000,
@@ -140,7 +140,7 @@
     "isEventItem": true
   },
   "ed1663c2-aff0-41b4-b5ed-7f86463c1d69": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Signed Towel (Red)",
     "minItemPower": 6000,
     "maxItemPower": 15000,
@@ -150,7 +150,7 @@
     "isEventItem": true
   },
   "472d229e-3541-4115-8104-53af579f24a4": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Demonic Exercise Bike",
     "minItemPower": 20000,
     "maxItemPower": 50000,
@@ -160,7 +160,7 @@
     "isEventItem": true
   },
   "6214eeeb-c77b-415c-a055-6d15b04ca026": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Steel Barbell",
     "minItemPower": 15000,
     "maxItemPower": 40000,
@@ -170,7 +170,7 @@
     "isEventItem": true
   },
   "732f16e3-6de7-4bc7-af77-9cdbaf68b695": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Pac-Ball",
     "minItemPower": 4500,
     "maxItemPower": 10000,
@@ -180,7 +180,7 @@
     "isEventItem": true
   },
   "a64b4819-5b32-41c5-8fe0-293ea8695a0c": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Stone Dumbbell",
     "minItemPower": 3000,
     "maxItemPower": 8000,
@@ -190,7 +190,7 @@
     "isEventItem": true
   },
   "b282b9cb-1802-4563-88a1-e7e267a0bcd4": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Rock Kettlebell",
     "minItemPower": 6000,
     "maxItemPower": 15000,
@@ -200,7 +200,7 @@
     "isEventItem": true
   },
   "bf1611c0-ddec-4ad8-8299-a2e19818186f": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Screaming Punching Bag",
     "minItemPower": 30000,
     "maxItemPower": 80000,
@@ -210,7 +210,7 @@
     "isEventItem": true
   },
   "daca4964-69c4-4167-b7bf-2e8eb49a8f1b": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Ivy Jump Rope",
     "minItemPower": 2000,
     "maxItemPower": 5000,
@@ -220,7 +220,7 @@
     "isEventItem": true
   },
   "fff5a89a-1691-47ea-af30-c811f1c1dbfc": {
-    "iconURL": "",
+    "iconURL": "isl_logo.png",
     "itemName": "Fairy Shuttlecock",
     "minItemPower": 10000,
     "maxItemPower": 25000,