Updated resources/images and CoralConfig

Editor/Coral.Managed.runtimeconfig.json

@@ -1,10 +1,10 @@
 {
     "runtimeOptions": {
-      "tfm": "net7.0",
+      "tfm": "net8.0",
       "rollForward": "LatestMinor",
       "framework": {
         "name": "Microsoft.NETCore.App",
-        "version": "7.0.0"
+        "version": "8.0.0"
       }
     }
   }