Add support for native getDisplayMedia

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ on:
 jobs:
   build-linux:
     name: Linux
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4

README.md

@@ -9,7 +9,7 @@ Desktop application for [Jitsi Meet] built with [Electron].
 - [End-to-End Encryption](https://jitsi.org/blog/e2ee/) support (BETA)
 - Works with any Jitsi Meet deployment
 - Built-in auto-updates
-- Screensharing (Windows, Mac, Linux on X11 only. Not supported under Wayland, see known issues below)
+- Screen sharing
 - ~Remote control~ (currently [disabled](https://github.com/jitsi/jitsi-meet-electron/issues/483) due to [security issues](https://github.com/jitsi/security-advisories/blob/master/advisories/JSA-2020-0001.md))
 - Always-On-Top window
 - Support for deeplinks such as `jitsi-meet://myroom` (will open `myroom` on the configured Jitsi instance) or `jitsi-meet://jitsi.mycompany.com/myroom` (will open `myroom` on the Jitsi instance running on `jitsi.mycompany.com`)
@@ -144,10 +144,6 @@ None
 
 * If you can't execute the file directly after downloading it, try running `chmod u+x ./jitsi-meet-x86_64.AppImage`
 
-* Under Wayland, screensharing is currently buggy:
-  * Sharing a full screen is not possible
-  * When trying to start screensharing under Wayland, 2 permission popups will show up. First a PipeWire-based system selector, then a Jitsi internal selector. Select the application window in the first selector and click allow; then do the same in the Jitsi internal selector. This is how sharing application windows works, as sharing a full screen is unfortunately not possible.
-
 * On Ubuntu 22.04 and later, the AppImage will fail with a FUSE error (as the AppImage uses `libfuse2`, while 22.04 comes with `libfuse3` by default):
 
   ```

app/features/conference/components/Conference.js

@@ -210,14 +210,10 @@ class Conference extends Component<Props, State> {
             ...locale
         };
 
-        // override both old and new prejoin config options,
-        // old one for servers that do not understand the new option yet
-        // and new one for newly setup servers where the new option overrides
-        // the old if set.
+
         const configOverwrite = {
             enableCalendarIntegration: false,
             disableAGC: this.props._disableAGC,
-            prejoinPageEnabled: true,
             prejoinConfig: {
                 enabled: true
             }