feat: enhance weekdays management with tabbed interface and improved layout

- Refactored `DetailWeekdays` and `FormWeekdays` components to utilize a tabbed interface for better organization of weekday-related information.
- Introduced `FieldValue` components for displaying start and end branches, and customer details within each tab.
- Added a new CSS file for managing z-index stacking context to ensure Leaflet maps render correctly beneath modals.
- Updated `LocationMap` and `RouteMap` components to include the new CSS for proper layering.
- Enhanced unit tests for `LocationMap` to verify the correct stacking context.

These changes improve the user experience by providing a more structured and visually appealing way to manage weekdays and their associated data.

packages/ui/src/theme/tokens/density.ts

@@ -36,7 +36,7 @@ export const standardDensity: MantineThemeOverride = {
     Pagination: { defaultProps: { size: 'md' } },
     Table: { defaultProps: { verticalSpacing: 'sm', horizontalSpacing: 'md' } },
     Card: { defaultProps: { padding: 'md' } },
-    Modal: { defaultProps: { padding: 'md' } },
+    Modal: { defaultProps: { padding: 'md', zIndex: 1100 } },
   },
 };
 
@@ -99,7 +99,7 @@ export const compactDensity: MantineThemeOverride = {
       },
     },
     Card: { defaultProps: { padding: 'sm' } }, // Card padding shrinks
-    Modal: { defaultProps: { padding: 'sm' } }, // Modal padding shrinks
+    Modal: { defaultProps: { padding: 'sm', zIndex: 1100 } }, // Modal padding shrinks; above Leaflet panes (1000)
 
     // 5. Force 13px ('sm') text inside 'sm' physical inputs
     Input: {