Only return categories for the current source being displayed

Hi folks, I am going to review it as part of GlobalContributionWeekend2025

I have reviewed the code and tested the actual behavior before and after the changes:

1. The changes were tested on Drupal CMS 1.0.1 and Project Browser 2.0.x
2. The changes were applied by obtaining the module version from the issue fork.
3. The module installation process went fine
4. There were no issues in Drupal log and browsers console
5. endpoint response before:
   

   
   {
     "drupalorg_jsonapi": [
       {
         "id": "24830916-5c07-4446-89de-960915f87bf6",
         "name": "Access control"
       },
       {
         "id": "3df293b3-c9a1-4232-962b-3c8169e8e6e3",
         "name": "Accessibility"
       },
       {
         "id": "abf23828-f269-4d39-8589-b731209eb154",
         "name": "Administration tools"
       },
       {
         "id": "81212413-80b0-44d6-84fb-9078baa7ab25",
         "name": "Automation"
       },
       {
         "id": "754c04cb-6da2-42ba-9032-d64307f68f45",
         "name": "Content display"
       },
       {
         "id": "86237004-3801-40cf-96b5-fe7d60efccb5",
         "name": "Content editing experience"
       },
       {
         "id": "f1ca6464-1608-47fd-be11-1a398e6c9424",
         "name": "Decoupled"
       },
       {
         "id": "086cebcf-200f-4c34-886e-f9921919b292",
         "name": "Developer tools"
       },
       {
         "id": "0cd80c8e-5c20-43a8-aa3e-ec701007d443",
         "name": "E-commerce"
       },
       {
         "id": "cfef5e6a-b77b-4a2b-b669-e87b1266f3ac",
         "name": "Import and export"
       },
       {
         "id": "3322058a-a158-4806-ac5b-9bcabc95edac",
         "name": "Integrations"
       },
       {
         "id": "68428c33-1db7-438d-b1b3-e23004e0982b",
         "name": "Media"
       },
       {
         "id": "3cf38e0a-d4b1-426d-9b8e-008e7a41cf8d",
         "name": "Multilingual"
       },
       {
         "id": "d1322ab4-e2be-4f21-9e01-8c19b3da8bea",
         "name": "Performance"
       },
       {
         "id": "01df2105-2397-4a0e-b34c-80da1c3b1208",
         "name": "Search engine optimization (SEO)"
       },
       {
         "id": "8117d8b0-f171-414d-b384-0bafa81bef9f",
         "name": "Security"
       },
       {
         "id": "8d7b9b34-6ae2-4e9b-b3a2-f0bb3109500a",
         "name": "Site search"
       },
       {
         "id": "dcb48e9f-6afa-4842-8ef6-44b90b083fcc",
         "name": "Site structure"
       },
       {
         "id": "7c5db130-79b8-4130-a09c-c197333e7d13",
         "name": "User engagement"
       }
     ],
     "drupal_core": [
       {
         "name": "Core",
         "id": "Core"
       },
       {
         "name": "Core (Experimental)",
         "id": "Core (Experimental)"
       },
       {
         "name": "Field types",
         "id": "Field types"
       },
       {
         "name": "Migration",
         "id": "Migration"
       },
       {
         "name": "Multilingual",
         "id": "Multilingual"
       },
       {
         "name": "Web services",
         "id": "Web services"
       }
     ],
     "recipes": []
   }
   

   endpoint response after:

   [
     {
       "id": "24830916-5c07-4446-89de-960915f87bf6",
       "name": "Access control"
     },
     {
       "id": "3df293b3-c9a1-4232-962b-3c8169e8e6e3",
       "name": "Accessibility"
     },
     {
       "id": "abf23828-f269-4d39-8589-b731209eb154",
       "name": "Administration tools"
     },
     {
       "id": "81212413-80b0-44d6-84fb-9078baa7ab25",
       "name": "Automation"
     },
     {
       "id": "754c04cb-6da2-42ba-9032-d64307f68f45",
       "name": "Content display"
     },
     {
       "id": "86237004-3801-40cf-96b5-fe7d60efccb5",
       "name": "Content editing experience"
     },
     {
       "id": "f1ca6464-1608-47fd-be11-1a398e6c9424",
       "name": "Decoupled"
     },
     {
       "id": "086cebcf-200f-4c34-886e-f9921919b292",
       "name": "Developer tools"
     },
     {
       "id": "0cd80c8e-5c20-43a8-aa3e-ec701007d443",
       "name": "E-commerce"
     },
     {
       "id": "cfef5e6a-b77b-4a2b-b669-e87b1266f3ac",
       "name": "Import and export"
     },
     {
       "id": "3322058a-a158-4806-ac5b-9bcabc95edac",
       "name": "Integrations"
     },
     {
       "id": "68428c33-1db7-438d-b1b3-e23004e0982b",
       "name": "Media"
     },
     {
       "id": "3cf38e0a-d4b1-426d-9b8e-008e7a41cf8d",
       "name": "Multilingual"
     },
     {
       "id": "d1322ab4-e2be-4f21-9e01-8c19b3da8bea",
       "name": "Performance"
     },
     {
       "id": "01df2105-2397-4a0e-b34c-80da1c3b1208",
       "name": "Search engine optimization (SEO)"
     },
     {
       "id": "8117d8b0-f171-414d-b384-0bafa81bef9f",
       "name": "Security"
     },
     {
       "id": "8d7b9b34-6ae2-4e9b-b3a2-f0bb3109500a",
       "name": "Site search"
     },
     {
       "id": "dcb48e9f-6afa-4842-8ef6-44b90b083fcc",
       "name": "Site structure"
     },
     {
       "id": "7c5db130-79b8-4130-a09c-c197333e7d13",
       "name": "User engagement"
     }
   ]
   

6. Filtering is working as expected.

Everything looks good to me, thanks, RTBC.

This change is fine, but I think we might want to close it, and not commit it (although we should definitely transfer credit) in favor of #3502399: Project Browser makes a pointless API request for categories, which will obviate this entirely.

Closing as a duplicate of #3502399: Project Browser makes a pointless API request for categories, I'll get the maintainers to transfer credit.