Screensharing rework

Split Linux screensharing audio tracks, Rework screensharing functionality and layout
This will need some refactoring soon

electron/window/create-window.ts

@@ -49,6 +49,7 @@ export async function createWindow(): Promise<void> {
     backgroundColor: '#0a0a0f',
     ...(windowIconPath ? { icon: windowIconPath } : {}),
     webPreferences: {
+      backgroundThrottling: false,
       nodeIntegration: false,
       contextIsolation: true,
       preload: path.join(__dirname, '..', 'preload.js'),