refactor(task-modal): fix validation for draft subtask creation

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

@@ -808,10 +808,9 @@ export default {
 
         return true;
       } else {
-        const employeesValid = await this._validateEmployees();
-        if (!employeesValid) return;
+        this.v$.subtask.master_task_id.$touch();
 
-        return true;
+        return this.v$.subtask.master_task_id.$errors.length === 0;
       }
     },
 
@@ -858,16 +857,12 @@ export default {
 
           const payload = { ...this.subtask, timesheets, timeblocks };
 
-          console.log('isConcept', concept);
-
           if (concept) {
             payload.is_draft = 1;
           } else {
             payload.is_draft = 0;
           }
 
-          console.log('payload', payload);
-
           const { subtask } = await this.$axios.patch_auth_form(
             `v1/subtasks/${this.subtask.id}`,
             payload,
@@ -913,6 +908,10 @@ export default {
           };
           if (concept) {
             subtaskCopy.is_draft = true;
+            subtaskCopy.employees =
+              subtaskCopy.employees?.length > 0
+                ? subtaskCopy.employees
+                : [{ id: this.$store.getters['auth/user']?.id, duration: 0 }];
           }
           delete subtaskCopy._master_task;
           const { subtasks } = await this.$axios.post_auth(