fix more lint issue

ignite/pkg/cache/cache.go

@@ -91,10 +91,11 @@ func (c Cache[T]) Put(key string, value T) error {
 
 // Get fetches the value of key within the namespace.
 // If no value exists, it will return found == false.
-func (c Cache[T]) Get(key string) (val T, err error) {
+func (c Cache[T]) Get(key string) (T, error) {
+	var val T
 	db, err := openDB(c.storage.storagePath)
 	if err != nil {
-		return
+		return val, err
 	}
 	defer db.Close()
 

ignite/pkg/jsonfile/jsonfile.go

@@ -194,17 +194,14 @@ func (f *JSONFile) Field(key string, param interface{}) error {
 			*paramStr = result
 			break
 		}
-		if _, ok := param.(interface{}); ok {
-			err := json.Unmarshal(value, param)
-			var unmarshalTypeError *json.UnmarshalTypeError
-			var syntaxTypeError *json.SyntaxError
-			if errors.As(err, &unmarshalTypeError) ||
-				errors.As(err, &syntaxTypeError) {
-				return ErrInvalidValueType
-			}
-			break
+		var (
+			unmarshalTypeError *json.UnmarshalTypeError
+			syntaxTypeError    *json.SyntaxError
+		)
+		if err := json.Unmarshal(value, param); errors.As(err, &unmarshalTypeError) ||
+			errors.As(err, &syntaxTypeError) {
+			return ErrInvalidValueType
 		}
-		return ErrInvalidValueType
 	case jsonparser.NotExist:
 	case jsonparser.Null:
 	case jsonparser.Unknown: