Enables local video flip menu by default.

config.js

     // use only.
     // _desktopSharingSourceDevice: 'sample-id-or-label'
 
+    // A property to disable the right click context menu for localVideo
+    // the menu has option to flip the locally seen video for local presentations
+    // disableLocalVideoFlip: false
+
     // List of undocumented settings used in jitsi-meet
     /**
      _immediateReloadThreshold
      dialOutCodesUrl
      disableRemoteControl
      displayJids
-     enableLocalVideoFlip
      etherpad_base
      externalConnectUrl
      firefox_fake_device

modules/UI/videolayout/LocalVideo.js

 
     this.localVideoId = null;
     this.bindHoverHandler();
-    if (config.enableLocalVideoFlip) {
+    if (!config.disableLocalVideoFlip) {
         this._buildContextMenu();
     }
     this.isLocal = true;

react/features/base/config/functions.any.js

     'enableDisplayNameInStats',
     'enableLayerSuspension',
     'enableLipSync',
-    'enableLocalVideoFlip',
+    'disableLocalVideoFlip',
     'enableRemb',
     'enableStatsID',
     'enableTalkWhileMuted',