Bug 1707080 - Enable dispatch_by_pointer_messages on Nightly r=edgar

Differential Revision: https://phabricator.services.mozilla.com/D114659

modules/libpref/init/StaticPrefList.yaml

@@ -3562,12 +3562,12 @@
   # mouse messages.
 -   name: dom.w3c_pointer_events.dispatch_by_pointer_messages
     type: bool
-    value: false
+    value: @IS_NIGHTLY_BUILD@
     mirror: always
 
 -   name: dom.w3c_pointer_events.scroll_by_pen.enabled
     type: bool
-    value: false
+    value: true
     mirror: always
 #endif