feat: Add support for raw and fullraw track extraction modes

PR Classification

New feature: Adds advanced extraction options for MKV track extraction.

PR Summary

This pull request introduces support for "raw" and "full raw" extraction modes in MKV track extraction, including UI, settings, and extraction logic updates.

• gSettings.cs: Adds and persists UseRawExtractionMode and UseFullRawExtractionMode properties.
• frmOptions(.Designer).cs: Adds checkboxes for the new options and syncs them with settings.
• gMKVExtractSegmentsParameters and TrackParameter: Propagate the new options through the extraction pipeline.
• gMKVExtract.cs: Updates extraction logic to append --raw or --fullraw to mkvextract commands as appropriate.
• Updates equality and hash code logic in gMKVExtractSegmentsParameters to include the new options.