Fixed dark themes pagination and notification drop menu

[Godmartinz]

Description

Fixes all dark themes' pagination from white/blue to fit into the theme.

Also fixes the notification menu for dark themes

Fixes #12805 SC-20783

Type of change

Please delete options that are not relevant.

issue)

• New feature (non-breaking change which adds functionality)
• [ X] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test A
• Test B

Test Configuration:

• PHP version:
• MySQL version
• Webserver version
• OS version

Checklist:

• I have read the Contributing documentation available here: https://snipe-it.readme.io/docs/contributing-overview
• I have formatted this PR according to the project guidelines: https://snipe-it.readme.io/docs/contributing-overview#pull-request-guidelines
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[shortcut-integration]

This pull request has been linked to Shortcut Story #20783: Black dark mode pagination wrong color.

[what-the-diff]

PR Summary

• Improved pagination styles for dark themes
  Added pagination styles suitable for dark skins to enhance user experience.
• Fixed tasks menu background color in skin-green-dark
  Resolved an issue with the background color of the tasks menu for better consistency with the theme.
• Updated header text color in navbar dropdown menus
  Changed header text color to link color in navbar dropdown menus for all themes except yellow and green for better readability.
• Enhanced active page button and hover effect
  Changed the active page button style to the theme's primary button style and improved the hover effect for better visibility and interaction.

[snipe]

That dark red text on dark grey isn't really readable - can we make that white instead?

[Godmartinz]

@snipe Red buttons are fixed 👍

[snipe]

Looks great, thanks @Godmartinz!