clear error list on enable/disable

src/digital-components/dropdown-question/dropdown-question.vue

@@ -79,14 +79,19 @@ export default {
             initialValue
         };
 
-        const { errorMessage, handleBlur, handleChange, meta, errors } = useField(props.inputId, props.validationRules, fieldOptions);
+        const { errorMessage,
+            handleBlur,
+            handleChange,
+            meta, errors,
+            setErrors } = useField(props.inputId, props.validationRules, fieldOptions);
 
         return {
             errorMessage,
             handleBlur,
             handleChange,
             meta,
-            errors
+            errors,
+            setErrors
         };
     },
     computed: {
@@ -123,6 +128,11 @@ export default {
         }
     },
     watch: {
+        isDisabled(newValue, oldValue) {
+            if (newValue !== oldValue) {
+                this.setErrors([]);
+            }
+        },
         selectedOption(newValue) {
             this.handleChange(newValue);
         }