Basic tests for PollCreateDialog (#7193)

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/views/elements/PollCreateDialog.tsx

@@ -89,7 +89,7 @@ export default class PollCreateDialog extends ScrollableBaseModal<IProps, IState
         this.setState({ options: newOptions }, () => {
             // Scroll the button into view after the state update to ensure we don't experience
             // a pop-in effect, and to avoid the button getting cut off due to a mid-scroll render.
-            this.addOptionRef.current?.scrollIntoView();
+            this.addOptionRef.current?.scrollIntoView?.();
         });
     };