fix: Extract model capabilities correctly for various providers on various platforms

[Vanalite]

Describe Your Changes

• Add getModelCapabilites function
• Extract model capabilities correctly and conditionally
• Fix extracting model capabilities on different providers
• Fix extracting model capabilities on different platforms

Fixes Issues

• Closes #
• Closes #

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed

[github-actions]

Barecheck - Code coverage report

Total: 30.57%

Your code coverage diff: 0.06% ▴

Uncovered files and lines

File	Lines
web-app/src/containers/dialogs/AddModel.tsx	1, 10-19, 26-31, 34-36, 39-40, 42-47, 50-56, 59-63, 66-68, 70-76, 78-84, 86-93, 96-99, 101-115, 118-124, 126-132, 135-139, 141-145, 147
web-app/src/services/providers/tauri.ts	5-13, 15-16, 18-19, 21-28, 30-32, 34-40, 42-46, 48-70, 73-75, 77-86, 88-89, 91-120, 122-127, 129-132, 134-137, 141-146, 149-152, 155-158, 160, 162-179, 181, 184, 186-189, 191-196, 198-208, 211-216, 218-225, 228-232, 235-239, 241-266
web-app/src/services/providers/web.ts	28, 48, 50, 78-79, 146-149, 205, 234-235

[louis-jan]

LGTM