Bug 1700679 - Enable native context menus by default. r=harry,mac-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D113029

modules/libpref/init/StaticPrefList.yaml

@@ -11137,7 +11137,7 @@
 #ifdef XP_MACOSX
 - name: widget.macos.native-context-menus
   type: RelaxedAtomicBool
-  value: false
+  value: true
   mirror: always
 
 - name: widget.macos.respect-system-appearance