fix(lua): add TMap userdata round-trip support

[narknon]

Description

• Implement TMap userdata handling in push_mapproperty Operation::Set
• Support copying TMap userdata with proper key-value pair handling
• Handle empty maps and rehashing after copy
• Enable passing TMap properties as function parameters

Completes container userdata support for TSet, TArray, and TMap

Fixes # (issue) (if applicable)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

How has this been tested?

Tested passing TMap properties as function parameters
Tested with various element types (int32, string, UObject references)

Checklist

• I have commented my code, particularly in hard-to-understand areas.
• I have added the necessary description of this PR to the changelog, and I have followed the same format as other entries.

Screenshots

Additional context

[github-actions]

Build Details

Name	Information
PR Commit	984e0d9
Merge Commit	8c5a69f
Size	47.86 MB
Last Updated	Sep 3, 25, 1:58:31 AM UTC
Expires At	Sep 17, 25, 1:58:26 AM UTC

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Build Details

Name	Information
PR Commit	984e0d9
Merge Commit	8c5a69f
Size	29.39 MB
Last Updated	Sep 3, 25, 2:02:30 AM UTC
Expires At	Sep 17, 25, 2:02:27 AM UTC