[docs] Improve XML docs for NSCell, CTBaselineClass, MTProfessionalVideoWorkflow, NEVpnManager, INSetCarLockStatusIntent, CMCustomBlockAllocator

[rolfbjarne]

Improve XML documentation for 6 types:

Type	Changes
NSCell	Fix tag ordering, replace placeholder descriptions with meaningful docs
CTBaselineClass	Remove empty remarks, add summaries for CTBaselineFont members
MTProfessionalVideoWorkflow	Replace placeholder docs with meaningful summaries
NEVpnManager	Fix tag ordering, replace placeholders, fix indentation
INSetCarLockStatusIntent	Fix tag ordering, replace placeholder param descriptions
CMCustomBlockAllocator	Replace placeholders, fix indentation, clean up remarks

🤖 Pull request created by Copilot

[Copilot]

Pull request overview

This PR improves XML documentation across several bound Apple API types in src/ by replacing placeholder docs, correcting tag ordering, and cleaning up doc formatting/indentation so the generated API docs are more useful and consistent.

Changes:

• Replace placeholder <summary>/<param>/<remarks> content with meaningful documentation across the touched types.
• Remove empty/placeholder remarks and improve formatting/indentation where applicable.
• Add/adjust parameter descriptions to better reflect API intent.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/AppKit/NSCell.cs	Replaces placeholder docs for image-drawing helpers with meaningful summaries and parameter descriptions.
src/CoreMedia/CMCustomBlockAllocator.cs	Adds meaningful type/ctor summaries and cleans up Dispose remarks formatting.
src/CoreText/CTBaselineClass.cs	Removes placeholder remarks and adds summaries for CTBaselineFont members.
src/Intents/INSetCarLockStatusIntent.cs	Fixes doc tag ordering and replaces placeholder parameter descriptions.
src/MediaToolbox/MTProfessionalVideoWorkflow.cs	Replaces placeholder docs with meaningful summaries for the type and API entry point.
src/NetworkExtension/NEVpnManager.cs	Fixes doc tag ordering/removes placeholders and adds a concrete summary/param description for SetAuthorization.

[vs-mobiletools-engineering-service2]

✅ API diff for current PR / commit

NET (empty diffs)

• iOS: vsdrops gist ( No breaking changes )
• tvOS: vsdrops gist ( No breaking changes )
• MacCatalyst: vsdrops gist ( No breaking changes )
• macOS: vsdrops gist ( No breaking changes )

✅ API diff vs stable

NET (empty diffs)

• iOS: vsdrops gist ( No breaking changes )
• tvOS: vsdrops gist ( No breaking changes )
• MacCatalyst: vsdrops gist ( No breaking changes )
• macOS: vsdrops gist ( No breaking changes )

ℹ️ Generator diff

Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

Pipeline on Agent
Hash: 0d98863c15b27ab158baf836c20fbe539414ac0d [PR build]

[vs-mobiletools-engineering-service2]

🚀 [CI Build #0d98863] Test results 🚀

Test results

✅ All tests passed on VSTS: test results.

🎉 All 203 tests passed 🎉

Tests counts

✅ assembly-processing: All 1 tests passed. Html Report (VSDrops) Download
✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (iOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (macOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (tvOS): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 4 tests passed. Html Report (VSDrops) Download
✅ linker (iOS): All 15 tests passed. Html Report (VSDrops) Download
✅ linker (MacCatalyst): All 15 tests passed. Html Report (VSDrops) Download
✅ linker (macOS): All 21 tests passed. Html Report (VSDrops) Download
✅ linker (tvOS): All 15 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 19 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 18 tests passed. Html Report (VSDrops) Download
✅ monotouch (macOS): All 19 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 19 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ sharpie: All 1 tests passed. Html Report (VSDrops) Download
✅ windows: All 3 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

macOS tests

✅ Tests on macOS Monterey (12): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Ventura (13): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sonoma (14): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sequoia (15): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Tahoe (26): All 5 tests passed. Html Report (VSDrops) Download

Linux Build Verification

✅ Linux build succeeded

Pipeline on Agent
Hash: 0d98863c15b27ab158baf836c20fbe539414ac0d [PR build]