style: improve code formatting and type safety

- Add proper type annotation for onDetect result parameter
- Fix indentation and line wrapping in template
- Remove unused WebInlineQRScanner import
- Clean up button attribute ordering
- Fix whitespace and formatting issues
- Remove unused empty divs

src/services/QRScanner/QRScannerService.ts

@@ -1,5 +1,3 @@
-import { EventEmitter } from "events";
-
 export interface QRScannerListener {
   onScan: (result: string) => void;
   onError: (error: Error) => void;
@@ -14,4 +12,4 @@ export interface QRScannerService {
   addListener(listener: QRScannerListener): void;
   cleanup(): Promise<void>;
   onStream(callback: (stream: MediaStream | null) => void): void;
-} 
+}

src/services/QRScanner/WebInlineQRScanner.ts

@@ -156,10 +156,10 @@ export class WebInlineQRScanner implements QRScannerService {
 
     try {
       logger.log("[WebInlineQRScanner] Stopping scan");
-      
+
       // Stop all tracks in the stream
       if (this.stream) {
-        this.stream.getTracks().forEach(track => track.stop());
+        this.stream.getTracks().forEach((track) => track.stop());
         this.stream = null;
       }
 
@@ -192,4 +192,4 @@ export class WebInlineQRScanner implements QRScannerService {
       logger.error("Error during cleanup:", error);
     }
   }
-} 
+}