Feature: Show note count in tracks list

[jamescr]

📝 Show note count in tracks list

🛠️ Issue

• Closes #add-your-issue-ID

🛠️ Related issues (if applicable)

• ISSUES Combine waypoints and trackpoints into one line #612

📖 Description

🖼️ Screenshots (if applicable)

• Include any relevant screenshots or examples of the changes made. This helps reviewers visualize the updates

✅ Pull Request Checklist

• The PR is proposed to the DEVELOP branch.
• The changes have been tested on the target Android API and minimum Android API.
• Automated tests have been added (if applicable).
• The feature is well documented.
• There is a reference to the original ISSUE and related work.

📝 Additional Notes

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• Take a look at our Contributing Guide before submitting your PR.