Revert "Client info request: Rename browser field to userAgent"

This reverts commit 71c75d4253993f04871bc50906b8cb4c70831d1d.

Pushed to the wrong branch.

src/services/webclient.ts

@@ -688,7 +688,7 @@ export class WebClientService {
     public requestClientInfo(): void {
         this.$log.debug('Sending client info request');
         this._sendRequest(WebClientService.SUB_TYPE_CLIENT_INFO, {
-            userAgent: navigator.userAgent,
+            browser: navigator.userAgent,
         });
     }