Fix false positive check for image params (internal-2083)

* Fix false positive check for image params

* Fixed check

Author: underoot

src/style-spec/expression/definitions/image.ts

@@ -14,7 +14,7 @@ export type ImageOptions = {
 }
 
 function isImageOptions(value: unknown) {
-    if (value !== null && typeof value === 'object') {
+    if (value !== null && typeof value === 'object' && !Array.isArray(value)) {
         return true;
     }