V14 QA Fixed/Cleaned up the api acceptance tests (#15964)

* Removed api tests for RelationType since it is impossible to create/update/delete relation type

* Fixed api tests for UserGroup

* Fixed api tests for UserAvatar

* Fixed api tests for User

* Fixed api tests for Temporary File

* Fixed api tests for Dictionary

* Fixed api tests for DataType

* Fixed api tests for DataTypeFolder

* Cleaned up

* Bumped version of test helper

* Update tests/Umbraco.Tests.AcceptanceTest/tests/ApiTesting/Dictionary/Dictionary.spec.ts

Co-authored-by: Andreas Zerbst <73799582+andr317c@users.noreply.github.com>

* Reversed the api tests for Relation Type

---------

Co-authored-by: Andreas Zerbst <73799582+andr317c@users.noreply.github.com>

tests/Umbraco.Tests.AcceptanceTest/package.json

@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@umbraco/json-models-builders": "^2.0.4",
-    "@umbraco/playwright-testhelpers": "^2.0.0-beta.25",
+    "@umbraco/playwright-testhelpers": "^2.0.0-beta.26",
     "camelize": "^1.0.0",
     "dotenv": "^16.3.1",
     "faker": "^4.1.0",