temporary downgrade to fix

apps/angular-app/src/app/app.component.ts

@@ -4,7 +4,7 @@ import { RouterOutlet } from '@angular/router';
 import { FFmpeg } from '@ffmpeg/ffmpeg';
 import { fetchFile, toBlobURL } from '@ffmpeg/util';
 
-const baseURL = 'https://unpkg.com/@ffmpeg/core-mt@0.12.7/dist/esm';
+const baseURL = 'https://unpkg.com/@ffmpeg/core-mt@0.12.6/dist/esm';
 
 @Component({
   selector: 'app-root',
@@ -26,11 +26,11 @@ export class AppComponent {
       coreURL: await toBlobURL(`${baseURL}/ffmpeg-core.js`, 'text/javascript'),
       wasmURL: await toBlobURL(
         `${baseURL}/ffmpeg-core.wasm`,
-        'application/wasm'
+        'application/wasm',
       ),
       workerURL: await toBlobURL(
         `${baseURL}/ffmpeg-core.worker.js`,
-        'text/javascript'
+        'text/javascript',
       ),
     });
     this.loaded = true;
@@ -43,7 +43,7 @@ export class AppComponent {
     const fileData = await this.ffmpeg.readFile('output.mp4');
     const data = new Uint8Array(fileData as ArrayBuffer);
     this.videoURL = URL.createObjectURL(
-      new Blob([data.buffer], { type: 'video/mp4' })
+      new Blob([data.buffer], { type: 'video/mp4' }),
     );
   }
 }