feat(workspace): add hidden contacts filter and remove calendar scene swap

frontend/app/components/workspace/calendar/CrmCalendarPanel.vue

@@ -53,7 +53,6 @@ defineProps<{
   onCalendarHierarchyWheel: (event: WheelEvent) => void;
   setCalendarSceneRef: (element: HTMLDivElement | null) => void;
   normalizedCalendarView: string;
-  calendarSceneMasked: boolean;
   calendarSceneTransformStyle: Record<string, string>;
   onCalendarSceneMouseLeave: () => void;
   calendarView: string;
@@ -170,7 +169,6 @@ defineProps<{
           :class="[
             'calendar-scene',
             normalizedCalendarView === 'day' ? 'cursor-zoom-out' : 'cursor-zoom-in',
-            calendarSceneMasked ? 'calendar-scene-hidden' : '',
           ]"
           :style="calendarSceneTransformStyle"
           @mouseleave="onCalendarSceneMouseLeave"
@@ -351,10 +349,6 @@ defineProps<{
   transform-origin: center center;
 }
 
-.calendar-scene-hidden {
-  visibility: hidden;
-}
-
 .calendar-scene.cursor-zoom-in,
 .calendar-scene.cursor-zoom-in * {
   cursor: zoom-in;