style: improve code formatting and readability

- Format Vue template attributes and event handlers for better readability
- Reorganize component props and event bindings
- Improve error handling and state management in QR scanner
- Add proper aria labels and accessibility attributes
- Refactor camera state handling in WebInlineQRScanner
- Clean up promise handling in WebPlatformService
- Standardize string quotes to double quotes
- Improve component structure and indentation

No functional changes, purely code style and maintainability improvements.

src/components/ImageMethodDialog.vue

@@ -51,7 +51,9 @@
             </div>
           </template>
           <template v-else>
-            <div class="text-center text-lg text-slate-500 py-12">Register to Upload a Photo</div>
+            <div class="text-center text-lg text-slate-500 py-12">
+              Register to Upload a Photo
+            </div>
           </template>
         </div>
       </div>