fix authimage loading on larger images, fix media upload modal so it displays progress, and show thumbnails before loading on imageviewer

frontend/package-lock.json

@@ -15,6 +15,7 @@
         "react": "^19.1.1",
         "react-dom": "^19.1.1",
         "react-router-dom": "^7.9.6",
+        "react-spinners": "^0.17.0",
         "tailwindcss": "^4.1.12"
       },
       "devDependencies": {
@@ -3662,6 +3663,16 @@
         "react-dom": ">=18"
       }
     },
+    "node_modules/react-spinners": {
+      "version": "0.17.0",
+      "resolved": "https://registry.npmjs.org/react-spinners/-/react-spinners-0.17.0.tgz",
+      "integrity": "sha512-L/8HTylaBmIWwQzIjMq+0vyaRXuoAevzWoD35wKpNTxxtYXWZp+xtgkfD7Y4WItuX0YvdxMPU79+7VhhmbmuTQ==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+        "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/react-style-singleton": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/react-style-singleton/-/react-style-singleton-2.2.3.tgz",