chore: Use `Sentence case` for `Live collaboration`

src/locales/en.json

@@ -68,7 +68,7 @@
     "layers": "Layers",
     "actions": "Actions",
     "language": "Language",
-    "liveCollaboration": "Live Collaboration",
+    "liveCollaboration": "Live collaboration",
     "duplicateSelection": "Duplicate",
     "untitled": "Untitled",
     "name": "Name",