Merge pull request #4578 from matrix-org/t3chguy/topic_dialog

Fix topic dialog not supporting escape as it didn't have a "Close"

src/SlashCommands.tsx

@@ -366,6 +366,7 @@ export const Commands = [
             Modal.createTrackedDialog('Slash Commands', 'Topic', InfoDialog, {
                 title: room.name,
                 description: <div dangerouslySetInnerHTML={{ __html: topicHtml }} />,
+                hasCloseButton: true,
             });
             return success();
         },