feat(faq): refine category icons and project faq flows

frontend/src/components/FaqItemForm.vue

@@ -30,9 +30,6 @@
         <el-form-item :label="TEXT.common.fields.question" prop="question">
           <el-input v-model="form.question" />
         </el-form-item>
-        <el-form-item :label="TEXT.common.fields.enabled">
-          <el-switch v-model="form.is_active" />
-        </el-form-item>
       </div>
     </el-form>
     <template #footer>
@@ -62,7 +59,6 @@ const form = reactive({
   study_id: "",
   category_id: "",
   question: "",
-  is_active: true,
 });
 
 const rules: FormRules = {
@@ -76,7 +72,6 @@ const reset = () => {
   form.study_id = study.currentStudy?.id || "";
   form.category_id = "";
   form.question = "";
-  form.is_active = true;
 };
 
 watch(
@@ -86,7 +81,6 @@ watch(
       form.study_id = val.study_id || "";
       form.category_id = val.category_id;
       form.question = val.question;
-      form.is_active = val.is_active;
     } else {
       reset();
     }
@@ -105,7 +99,6 @@ const onSubmit = async () => {
       study_id: study.currentStudy?.id || null,
       category_id: form.category_id,
       question: form.question,
-      is_active: form.is_active,
     };
     if (isEdit.value && props.item) {
       await updateFaqItem(props.item.id, payload);