fix(tasks-concepts, task-modal): update task loading type to 'draft' and enhance save button functionality for subtasks

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

@@ -273,18 +273,42 @@
           />
         </v-card-actions>
 
-        <v-btn class="button primary" :disabled="isSaving" @click="save()">{{
-          subtask.id ? 'UPRAVIŤ' : 'VYTVORIŤ'
-        }}</v-btn>
-
         <template v-if="!subtask.id">
+          <v-btn class="button primary" :disabled="isSaving" @click="save()"
+            >VYTVORIŤ</v-btn
+          >
+
           <v-btn
             class="button primary outline mt-2"
-            @click="save()"
+            @click="save(true)"
             :disabled="isSaving"
             >ULOŽIŤ KONCEPT</v-btn
           >
         </template>
+
+        <template v-else>
+          <template v-if="subtask.is_draft">
+            <v-btn
+              class="button primary"
+              :disabled="isSaving"
+              @click="save(true)"
+              >ULOŽIŤ A PUBLIKOVAŤ</v-btn
+            >
+
+            <v-btn
+              class="button primary outline mt-2"
+              @click="save(true)"
+              :disabled="isSaving"
+              >ULOŽIŤ KONCEPT</v-btn
+            >
+          </template>
+
+          <template v-else>
+            <v-btn class="button primary" :disabled="isSaving" @click="save()"
+              >UPRAVIŤ</v-btn
+            >
+          </template>
+        </template>
       </v-card>
 
       <v-card v-else height="100%" class="d-flex flex-column scrolling">
@@ -777,7 +801,7 @@ export default {
             employees: validEmployees,
           };
           if (concept) {
-            subtaskCopy.concept = true;
+            subtaskCopy.is_draft = true;
           }
           delete subtaskCopy._master_task;
           const { subtasks } = await this.$axios.post_auth(