Add sort folders by count

[terofeev]

What is it?

• Bugfix
• Feature
• Codebase improvement

Description of the changes in your PR

• Added a new radio button to the sorting dialog for sorting folders by count.
• Updated getDirectorySortingValue and getSortedDirectories functions to support sorting by count.

Before/After Screenshots/Screen Record

• Before:

Before.mp4

• After:

After.mp4

Fixes the following issue(s)

• Fixes Sort folders by items quantity #379

Relies on the following changes

• Add "Number of items" string to strings.xml Commons#78

Acknowledgement

• I read the contribution guidelines.

[naveensingh]

I'm waiting for a new release on JitPack (link). Once the update is available, I will remove the temporary changes.

org.fossify.commons:9e28c573e8 is up now, thanks!

[terofeev]

Thanks, @naveensingh! I've removed the temporary changes as mentioned. Could you please review this PR when you have time?

[naveensingh]

Looks good, thanks!