Rename models builder modes (#10272)

* Renaming AppData Models Builder mode

* Renaming PureLive Models Builder mode to Runtime

* ModelsBuilderAssembly attribute flags if models are "Live" or not

* Updated ModelsMode names

* Only add tag if it is not a pull request. Apparently this is not allowed when it is from a fork.

* Revert "Only add tag if it is not a pull request. Apparently this is not allowed when it is from a fork."

This reverts commit 92b33f3c

Co-authored-by: Bjarke Berg <mail@bergmania.dk>

src/Umbraco.Web.UI.NetCore/appsettings.json

@@ -66,7 +66,7 @@
         "EnableTours": true
       },
       "ModelsBuilder": {
-        "ModelsMode": "PureLive",
+        "ModelsMode": "InMemoryAuto",
         "Enable": true
       }
     }