Refactor coverage-related widgets and improve UI consistency

- Updated CancelLateWorkerSheet to enhance layout and information display.
- Modified CoverageCalendarSelector to adjust color opacity for better visibility.
- Simplified CoveragePageSkeleton by removing unused quick stats row.
- Removed CoverageQuickStats widget as it was redundant.
- Enhanced CoverageShiftList to manage expanded state and improve worker display.
- Deleted CoverageStatCard as its functionality is no longer needed.
- Revamped CoverageStatsHeader to provide a clearer overview of coverage statistics.
- Improved LateWorkersAlert for better visual feedback on late workers.
- Redesigned ShiftHeader for a more interactive and informative shift card.
- Updated WorkerRow to streamline status display and action buttons.

apps/mobile/packages/core_localization/lib/src/l10n/en.i18n.json

@@ -1793,7 +1793,9 @@
       "workers": "Workers",
       "error_occurred": "An error occurred",
       "retry": "Retry",
-      "shifts": "Shifts"
+      "shifts": "Shifts",
+      "overall_coverage": "Overall Coverage",
+      "live_activity": "LIVE ACTIVITY"
     },
     "calendar": {
       "prev_week": "\u2190 Prev Week",
@@ -1802,7 +1804,9 @@
     },
     "stats": {
       "checked_in": "Checked In",
-      "en_route": "En Route"
+      "en_route": "En Route",
+      "on_site": "On Site",
+      "late": "Late"
     },
     "alert": {
       "workers_running_late(count)": {

apps/mobile/packages/core_localization/lib/src/l10n/es.i18n.json

@@ -1793,7 +1793,9 @@
       "workers": "Trabajadores",
       "error_occurred": "Ocurri\u00f3 un error",
       "retry": "Reintentar",
-      "shifts": "Turnos"
+      "shifts": "Turnos",
+      "overall_coverage": "Cobertura General",
+      "live_activity": "ACTIVIDAD EN VIVO"
     },
     "calendar": {
       "prev_week": "\u2190 Semana Anterior",
@@ -1802,7 +1804,9 @@
     },
     "stats": {
       "checked_in": "Registrado",
-      "en_route": "En Camino"
+      "en_route": "En Camino",
+      "on_site": "En Sitio",
+      "late": "Tarde"
     },
     "alert": {
       "workers_running_late(count)": {