v0.12.5 FCM bug fixes

frontend/public/manifest.json

@@ -8,6 +8,7 @@
   "orientation": "any",
   "background_color": "#ffffff",
   "theme_color": "#1a73e8",
+  "gcm_sender_id": "126479377334",
   "icons": [
     {
       "src": "/icons/icon-192.png",
@@ -22,18 +23,11 @@
       "purpose": "maskable"
     },
     {
-      "purpose": "maskable",
+      "purpose": "any maskable",
       "src": "/icons/icon-512-maskable.png",
       "sizes": "512x512",
       "type": "image/png"
       
-    },
-    {
-      "purpose": "any",
-      "src": "/icons/icon-512.png",
-      "sizes": "512x512",
-      "type": "image/png"
-      
     }
   ],
   "min_width": "320px"