refactor(task-management): enhance empty state visuals and improve layout

- Updated the empty state message styling in VirtualizedTaskList and TaskGroup components for better visibility and user experience.
- Adjusted padding and height in various components to create a more consistent and visually appealing layout.
- Removed console log statements from TaskPhaseDropdown to clean up the codebase.

worklenz-frontend/src/components/task-management/task-phase-dropdown.tsx

@@ -35,8 +35,6 @@ const TaskPhaseDropdown: React.FC<TaskPhaseDropdownProps> = ({
     (phaseId: string, phaseName: string) => {
       if (!task.id || !phaseId || !connected) return;
 
-      console.log('🎯 Phase change initiated:', { taskId: task.id, phaseId, phaseName });
-
       socket?.emit(SocketEvents.TASK_PHASE_CHANGE.toString(), {
         task_id: task.id,
         phase_id: phaseId,
@@ -51,8 +49,6 @@ const TaskPhaseDropdown: React.FC<TaskPhaseDropdownProps> = ({
   const handlePhaseClear = useCallback(() => {
     if (!task.id || !connected) return;
 
-    console.log('🎯 Phase clear initiated:', { taskId: task.id });
-
     socket?.emit(SocketEvents.TASK_PHASE_CHANGE.toString(), {
       task_id: task.id,
       phase_id: null,