Enhance Civictheme menu theming system

Josh is working on a fix:

1. Move the menu theming code into a helper _civictheme_preprocess_primary_navigation_menu and _civictheme_preprocess_footer_menu:
2. Add theme settings to define the primary navigations and the footer navigation menus
3. Update the menu name check to check for these theme settings if ($menu_name === 'THEME_SETTING')
4. Add update hook to add new theme setting or at least at a default value for expected values in this code above

@alan.cole Can you please review this and let me know if it solves your problem?

fionamorrison23 → credited danielgry → .

fionamorrison23 → credited joshua1234511 → .

https://github.com/civictheme/monorepo-drupal/pull/1350

Modified the preprocess to set theme based on theme hook set in configuration.

Steps to Create and Style a New Menu in CivicTheme

Step 1: Create a New Menu in Drupal

1. Navigate to Structure → Menus → Add Menu.
2. Enter a Title (e.g., "CivicTheme Sidebar Navigation").
3. Add Menu Links as needed.
4. Save the menu.

Step 2: Place the Menu in a Block

1. Go to Structure → Block layout.
2. Click Place Block in the desired region.
3. Search for the menu you created and select it.
4. Under HTML and Style Options, set the Theme Hook Suggestion to one of the following:
   civictheme_primary_navigation
civictheme_secondary_navigation
civictheme_footer
5. Save the block placement.