[PUI] Build test results (#7777)

* Skeleton for "test results" panel on build detail page

* Generate table columns based on test templates

* Fill out test result table in build panel

* Fix for form submission with files attached

- Better determination of "hasFiles"
- Ignore undefined values

* Add modal form to create a new test result

* Add button for creating a new test result

* Fix for build output table

* Add extra API filtering options to BuildLine API endpoint

* Improve table rendering

* Adjust form fields

* Account for multiple test results

* Add "location" column

* Docs updates

* playwright tests

docs/main.py

@@ -2,6 +2,7 @@
 
 import os
 import subprocess
+import textwrap
 
 import requests
 import yaml