FEATURE: enables fast edit by default (#14417)

config/locales/server.en.yml

@@ -2206,7 +2206,7 @@ en:
     watched_words_regular_expressions: "Watched words are regular expressions."
 
     enable_diffhtml_preview: "Experimental feature which uses diffHTML to sync preview instead of full re-render"
-    enable_fast_edit: "Experimental feature which enables small selection of a post text to be edited inline."
+    enable_fast_edit: "Enables small selection of a post text to be edited inline."
 
     old_post_notice_days: "Days before post notice becomes old"
     new_user_notice_tl: "Minimum trust level required to see new user post notices."

config/site_settings.yml

@@ -1011,7 +1011,7 @@ posting:
     default: false
     client: true
   enable_fast_edit:
-    default: false
+    default: true
     client: true
   old_post_notice_days:
     default: 14