Fix Oxylabs documentloader API calls (#5162)

Author: oxy-rostyslav

packages/components/nodes/documentloaders/Oxylabs/Oxylabs.ts

@@ -95,14 +95,20 @@ export class OxylabsLoader extends BaseDocumentLoader {
     }
 
     public async load(): Promise<DocumentInterface[]> {
-        const response = await this.sendAPIRequest<OxylabsResponse>({
-            url: this.params.query,
+        let isUrlSource = this.params.source == 'universal'
+
+        const params = {
             source: this.params.source,
             geo_location: this.params.geo_location,
             render: this.params.render,
             parse: this.params.parse,
-            user_agent_type: this.params.user_agent_type
-        })
+            user_agent_type: this.params.user_agent_type,
+            markdown: !this.params.parse,
+            url: isUrlSource ? this.params.query : null,
+            query: !isUrlSource ? this.params.query : null
+        }
+
+        const response = await this.sendAPIRequest<OxylabsResponse>(params)
 
         const docs: OxylabsDocument[] = response.data.results.map((result, index) => ({
             id: `${response.data.job.id.toString()}-${index}`,