feat: Sort notes and folders

[Edgiest05]

Introduced a button SortButton located at the top-right of the UI in recent and browse pages (near the syncing one):

When pressed it shows a dropdown for a predetermined selection, provided in the static class SortNotes. Such selection is preserved as a preference and is kept on app restart.

Sdk version change is not related to my own implementation, but instead is a workaround to compilation errors that made it impossible to test on android emulator.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 15.00000% with 102 lines in your changes missing coverage. Please review.

Project coverage is 45.67%. Comparing base (c873848) to head (8c45153).

Files with missing lines	Patch %	Lines
lib/components/home/sort_button.dart	13.82%	81 Missing :warning:
lib/pages/home/browse.dart	0.00%	18 Missing :warning:
lib/pages/home/recent_notes.dart	62.50%	3 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1408      +/-   ##
==========================================
- Coverage   46.09%   45.67%   -0.42%     
==========================================
  Files         117      118       +1     
  Lines        8683     8794     +111     
==========================================
+ Hits         4002     4017      +15     
- Misses       4681     4777      +96     

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[QubaB]

Thank you for Your code, I merged it to my personal Saber.

[QubaB]

I like to sort folders by Name and files by date. Can this be implemented?

[Edgiest05]

@QubaB it is possible to implement and it is quite easy to do so given that I already handle files and directories separately when sorting, unfortunately I personally don't need this level of fine tuning and I probably won't be working on that

[QubaB]

OK, I will customize it to my needs. Thank you for the very nice improvement.