MWPW-151911 - [LocUI] URL validation enhancement

[Sartxi]

Now catching errors in url validation and also validating page fragments and letting user know which fragments are invalid. Also updated the error message for invalid urls in project.

Resolves: MWPW-151911

Test URLs:
Invalid hostname:
https://main--cc--adobecom.hlx.page/tools/loc?milolibs=sean-loc&ref=main&repo=cc&owner=adobecom&host=www.adobe.com&project=Creative+Cloud&referrer=https%3A%2F%2Fadobe.sharepoint.com%2F%3Ax%3A%2Fr%2Fsites%2Fadobecom%2F_layouts%2F15%2FDoc.aspx%3Fsourcedoc%3D%257B46102d61-fe4c-4711-a05a-1e9130429bc5%257D%26action%3Deditnew

Invalid Fragments
https://sean-loc--milo--adobecom.hlx.page/tools/loc?ref=main&repo=milo&owner=adobecom&host=milo.adobe.com&project=Milo&referrer=https%3A%2F%2Fadobe.sharepoint.com%2F%3Ax%3A%2Fr%2Fsites%2Fadobecom%2F_layouts%2F15%2FDoc.aspx%3Fsourcedoc%3D%257Bb87ea105-d7d7-49cf-956b-f9cce15b33bc%257D%26action%3Deditnew

[aem-code-sync]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed.
In case there are problems, just click a checkbox below to rerun the respective action.

• Re-run PSI checks
• Re-sync branch

Commits

• 6ce95ce ✅ (latest)
• c350592 ✅
• 018588f ✅
• 0b49fdb ✅

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.68%. Comparing base (3a137ca) to head (018588f).
Report is 764 commits behind head on locui.

❗ Current head 018588f differs from pull request most recent head 6ce95ce

Please upload reports for the commit 6ce95ce to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##            locui    #2430      +/-   ##
==========================================
- Coverage   96.20%   95.68%   -0.53%     
==========================================
  Files         135      165      +30     
  Lines       33267    43538   +10271     
==========================================
+ Hits        32006    41660    +9654     
- Misses       1261     1878     +617     

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