[HTML5] Clarify editor PWA manifest.json

Update name and description to clarify it's the web version.

(cherry picked from commit ecb792b1da1af1ba0eac47bc4d04f78ee2ffb477)

misc/dist/html/manifest.json

@@ -1,7 +1,7 @@
 {
-  "name": "Godot Engine",
+  "name": "Godot Engine Web Editor",
   "short_name": "Godot",
-  "description": "Multi-platform 2D and 3D game engine with a feature-rich editor",
+  "description": "Multi-platform 2D and 3D game engine with a feature-rich editor (Web edition)",
   "lang": "en",
   "start_url": "./godot.tools.html",
   "display": "standalone",