feat(api-client): Add static method getImageById for Image class in api-client

ts_apiclient/classes.cloudlyapiclient.ts

@@ -157,6 +157,9 @@ export class CloudlyApiClient {
 
   public images = {
     // Images
+    getImageById: async (imageIdArg: string) => {
+      return Image.getImageById(this, imageIdArg);
+    },
     getImages: async () => {
       return Image.getImages(this);
     },