Properly set selectedExportMimeType for in-note export

[Crustack]

Fixes #772

Summary by CodeRabbit

• Bug Fixes
  • Fixed an issue where the selected export format was not properly retained when exporting notes, ensuring users' export preferences are consistently saved during export operations.

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[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

The change adds initialization of baseModel.selectedExportMimeType in the export methods to ensure the export MIME type is stored on the model before export operations attempt to access it, preventing an uninitialized property crash.

Changes

Cohort / File(s)	Change Summary
Export MIME Type Initialization app/src/main/java/com/philkes/notallyx/utils/backup/ExportExtensions.kt	Assigns baseModel.selectedExportMimeType in LockedActivity<*>.exportNotes() and LockedActivity<*>.exportNote() to store the chosen export format prior to export execution

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A note seeks to flee in formats anew,
But first, dear model, we'll tell it to you—
Which mime type to wear on its export-bound way,
No more crashes today, hooray, hooray! ✨

✨ Finishing touches

• 📝 Generate docstrings

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 68bee95 and 0eef670.

📒 Files selected for processing (1)

• app/src/main/java/com/philkes/notallyx/utils/backup/ExportExtensions.kt

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