resolve undefined this in onClick handler (#32576)

* resolve undefined this in onClick handler

* add regression test for bound DisambiguatedProfileViewModel onClick

* Update docs

* add regression for sender profile click mention insertion

* Eslint Fix

src/viewmodels/profile/DisambiguatedProfileViewModel.ts

@@ -141,7 +141,7 @@ export class DisambiguatedProfileViewModel
         this.snapshot.set(DisambiguatedProfileViewModel.computeSnapshot(this.props));
     }
 
-    public onClick(evt: MouseEvent<HTMLDivElement>): void {
+    public onClick = (evt: MouseEvent<HTMLDivElement>): void => {
         this.props.onClick?.(evt);
-    }
+    };
 }