Add glob support for map files

[efejotaese2]

Summary

Adds glob support for <map> entries in meta.xml, using the existing resource file glob handling.

For example:

<map src="maps/*.map" dimension="0" />

<map src="maps/**/*.map" dimension="0" />

<map src="*.map" dimension="0" />

All matching map files are loaded with the attributes defined on the <map> node.

Motivation

<script> and <file> entries already support glob patterns, while <map> entries currently require an explicit file path.

This resolves #4902.

Test plan

Tested:
Multiple .map files using *.map.
Recursive **/*.map
Glob with no matches
Normal paths

In all cases, the resource behaved as expected and matching map files were loaded correctly.

Checklist

• Your code should follow the coding guidelines.
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