Fix screenshare portals linux

src/app/core/services/webrtc/screen-share.manager.ts

@@ -225,6 +225,7 @@ export class ScreenShareManager {
           this.activeScreenStream = await this.startWithLinuxElectronAudioRouting(shareOptions, preset);
           captureMethod = 'linux-electron';
         } catch (error) {
+          this.rethrowIfScreenShareAborted(error);
           this.logger.warn('Linux Electron audio routing failed; falling back to standard capture', error);
         }
       }
@@ -241,6 +242,7 @@ export class ScreenShareManager {
             captureMethod = null;
           }
         } catch (error) {
+          this.rethrowIfScreenShareAborted(error);
           this.logger.warn('getDisplayMedia with system audio failed; falling back to Electron desktop capture', error);
         }
       }
@@ -253,10 +255,7 @@ export class ScreenShareManager {
           shareOptions.includeSystemAudio = electronCapture.includeSystemAudio;
           captureMethod = 'electron-desktop';
         } catch (error) {
-          if (this.isScreenShareSelectionAborted(error)) {
-            throw error;
-          }
-
+          this.rethrowIfScreenShareAborted(error);
           this.logger.warn('Electron desktop capture failed; falling back to getDisplayMedia', error);
         }
       }
@@ -392,7 +391,15 @@ export class ScreenShareManager {
   }
 
   private isElectronDesktopCaptureAvailable(): boolean {
-    return !!this.getElectronApi()?.getSources;
+    return !!this.getElectronApi()?.getSources && !this.isLinuxElectron();
+  }
+
+  private isLinuxElectron(): boolean {
+    if (!this.getElectronApi() || typeof navigator === 'undefined') {
+      return false;
+    }
+
+    return /linux/i.test(`${navigator.userAgent} ${navigator.platform}`);
   }
 
   private isWindowsElectron(): boolean {
@@ -725,7 +732,14 @@ export class ScreenShareManager {
   }
 
   private isScreenShareSelectionAborted(error: unknown): boolean {
-    return error instanceof Error && error.name === 'AbortError';
+    return error instanceof Error
+      && (error.name === 'AbortError' || error.name === 'NotAllowedError');
+  }
+
+  private rethrowIfScreenShareAborted(error: unknown): void {
+    if (this.isScreenShareSelectionAborted(error)) {
+      throw error;
+    }
   }
 
   private isLinuxElectronAudioRoutingSupported(): boolean {
@@ -766,13 +780,11 @@ export class ScreenShareManager {
         throw new Error(activation.reason || 'Failed to activate Linux Electron audio routing.');
       }
 
-      const desktopCapture = await this.startWithElectronDesktopCapturer({
+      desktopStream = await this.startWithDisplayMedia({
         ...options,
         includeSystemAudio: false
       }, preset);
 
-      desktopStream = desktopCapture.stream;
-
       const { audioTrack, captureInfo } = await this.startLinuxScreenShareMonitorTrack();
       const stream = new MediaStream([...desktopStream.getVideoTracks(), audioTrack]);