add required fields prop

app/javascript/template_builder/formula_modal.vue

@@ -49,6 +49,7 @@
               ref="textarea"
               v-model="formula"
               class="base-textarea !rounded-xl !text-base font-mono w-full !outline-0 !ring-0 !px-3"
+              :readonly="!editable"
               required="true"
               @input="resizeTextarea"
             />
@@ -134,6 +135,11 @@ export default {
       type: Object,
       required: true
     },
+    editable: {
+      type: Boolean,
+      required: false,
+      default: true
+    },
     buildDefaultName: {
       type: Function,
       required: true