Refactor workweek preset change handling

Simplifies workweek change event propagation across managers

Removes redundant grid rerendering logic and focuses on clean event communication
Prepares infrastructure for more flexible workweek configuration updates

Relates to debug-gridstyle branch

src/managers/CalendarManager.ts

@@ -111,7 +111,7 @@ export class CalendarManager {
 
     /**
      * Setup event listeners for at håndtere events fra andre managers
-     */
+    */
     private setupEventListeners(): void {
         // Listen for workweek changes only
         this.eventBus.on(CoreEvents.WORKWEEK_CHANGED, (event: Event) => {
@@ -185,22 +185,6 @@ export class CalendarManager {
      */
     private handleWorkweekChange(): void {
 
-        // Force a complete grid rebuild by clearing existing structure
-        const container = document.querySelector('swp-calendar-container');
-        if (container) {
-            container.innerHTML = ''; // Clear everything to force full rebuild
-        }
-
-        // Re-render the grid with new workweek settings (will now rebuild everything)
-        this.gridManager.render();
-
-        // Re-initialize scroll manager after grid rebuild
-        this.scrollManager.initialize();
-
-        // Re-render events in the new grid structure
-        this.rerenderEvents();
-
-        // Notify HeaderManager with correct current date after grid rebuild
         this.eventBus.emit('workweek:header-update', {
             currentDate: this.currentDate,
             currentView: this.currentView,
@@ -208,26 +192,4 @@ export class CalendarManager {
         });
     }
 
-    /**
-     * Re-render events after grid structure changes
-     */
-    private async rerenderEvents(): Promise<void> {
-
-        // Get current period data to determine date range
-        const periodData = this.calculateCurrentPeriod();
-
-        // Find the grid container to render events in
-        const container = document.querySelector('swp-calendar-container');
-        if (!container) {
-            return;
-        }
-
-        // Trigger event rendering for the current date range using correct method
-        await this.eventRenderer.renderEvents({
-            container: container as HTMLElement,
-            startDate: new Date(periodData.start),
-            endDate: new Date(periodData.end)
-        });
-    }
-
 }

src/managers/HeaderManager.ts

@@ -83,6 +83,9 @@ export class HeaderManager {
     });
 
     // Listen for workweek header updates after grid rebuild
+          //currentDate: this.currentDate,
+            //currentView: this.currentView,
+            //workweek: this.config.currentWorkWeek
     eventBus.on('workweek:header-update', (event) => {
       const { currentDate } = (event as CustomEvent).detail;
       this.updateHeader(currentDate);

src/managers/ViewManager.ts

@@ -102,6 +102,11 @@ export class ViewManager {
         this.updateAllButtons();
 
         const settings = this.config.getWorkWeekSettings();
+        
+        //currentDate: this.currentDate,
+        //currentView: this.currentView,
+        //workweek: this.config.currentWorkWeek
+
         this.eventBus.emit(CoreEvents.WORKWEEK_CHANGED, {
             workWeekId: workweekId,
             settings: settings