feat(z-task-modal): initialize empty subtask on create with current user

app/src/plugins/tm@modal/task/z-task-modal.vue

@@ -888,11 +888,24 @@ export default {
               throw new Error('subtaskData is null or undefined');
             }
           } catch (error) {
+            // Initialize with current logged-in employee
+            const currentUserId = this.$store.getters['auth/user']?.id;
+            const currentEmployee = currentUserId
+              ? this.enrichedEmployees.find((emp) => emp.id === currentUserId)
+              : null;
+
             this.subtask = {
               master_task: mastertask,
-              employees: [{}],
+              employees: currentEmployee
+                ? [{ id: currentEmployee.id, duration: null }]
+                : [{}],
               _deadline_time: '17:00',
             };
+
+            // Add a timeblock for the current user if they exist
+            if (currentUserId) {
+              this.addTimeblock(currentUserId);
+            }
           }
 
           if (