Bunch of UI/UX Fixes - See Description

[droidmonkey]

• Fixes #11298

• Fix detection regex for yubikey on Windows - something changed in the behavior of regex in Qt that prevents matches using a begin line caret without a complementary end line.

Minor UI fixes

• Fixes https://github.com/keepassxreboot/keepassxc/issues/11044 - password generator excluded characters tooltip was incorrect
• Fixes https://github.com/keepassxreboot/keepassxc/issues/11084 - allow more than 30 days for showing expiring passwords. Also fix the ability to properly translate this control.
• Fixes https://github.com/keepassxreboot/keepassxc/issues/11212 - don't show password on creating new database
• Fixes https://github.com/keepassxreboot/keepassxc/issues/10726 - improve indication of hardware key polling. Also improve layout spacing of unlock dialog.
• Fixes https://github.com/keepassxreboot/keepassxc/issues/11142 - provide better link for challenge-response information

Add Import/Export to application settings

• Closes https://github.com/keepassxreboot/keepassxc/issues/9452 - add import/export buttons to application settings
• Fixes https://github.com/keepassxreboot/keepassxc/issues/11120 - duplicate both menubar and toolbar visibility settings into the application settings
• Fixes https://github.com/keepassxreboot/keepassxc/issues/8561 - improve placement of various settings between General and Security pages
• Improve tool tip for backup database setting
• Improve wording of various settings

Screenshots

Testing strategy

All unit tests pass, tested new features manually

Type of change

• ✅ Bug fix (non-breaking change that fixes an issue)

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 30.00000% with 42 lines in your changes missing coverage. Please review.

Project coverage is 62.90%. Comparing base (ea2e36c) to head (3511cab). Report is 10 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/gui/ApplicationSettingsWidget.cpp	26.67%	22 Missing :warning:
src/core/Config.cpp	0.00%	20 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #11321 +/- ## =========================================== - Coverage 62.98% 62.90% -0.08% =========================================== Files 362 362 Lines 37793 37840 +47 =========================================== - Hits 23802 23800 -2 - Misses 13991 14040 +49 ```

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[varjolintu]

src/gui/dbsettings/DatabaseSettingsWidgetEncryption.ui: Warning: Tab-stop assignment: 'advancedSettingsButton' is not a valid widget. <- maybe this could be fixed also?