Fix screenshare portals linux

electron/ipc/system.ts

@@ -204,26 +204,32 @@ export function setupSystemHandlers(): void {
   });
 
   ipcMain.handle('get-sources', async () => {
-    const thumbnailSize = { width: 240, height: 150 };
-    const [screenSources, windowSources] = await Promise.all([
-      desktopCapturer.getSources({
-        types: ['screen'],
-        thumbnailSize
-      }),
-      desktopCapturer.getSources({
-        types: ['window'],
-        thumbnailSize,
-        fetchWindowIcons: true
-      })
-    ]);
-    const sources = [...screenSources, ...windowSources];
-    const uniqueSources = new Map(sources.map((source) => [source.id, source]));
+    try {
+      const thumbnailSize = { width: 240, height: 150 };
+      const [screenSources, windowSources] = await Promise.all([
+        desktopCapturer.getSources({
+          types: ['screen'],
+          thumbnailSize
+        }),
+        desktopCapturer.getSources({
+          types: ['window'],
+          thumbnailSize,
+          fetchWindowIcons: true
+        })
+      ]);
+      const sources = [...screenSources, ...windowSources];
+      const uniqueSources = new Map(sources.map((source) => [source.id, source]));
 
-    return [...uniqueSources.values()].map((source) => ({
-      id: source.id,
-      name: source.name,
-      thumbnail: source.thumbnail.toDataURL()
-    }));
+      return [...uniqueSources.values()].map((source) => ({
+        id: source.id,
+        name: source.name,
+        thumbnail: source.thumbnail.toDataURL()
+      }));
+    } catch {
+      // desktopCapturer.getSources fails on Wayland; return empty so the
+      // renderer falls through to getDisplayMedia with the system picker.
+      return [];
+    }
   });
 
   ipcMain.handle('prepare-linux-screen-share-audio-routing', async () => {