fix: small glitches (#325)

## Motivation

<!-- List motivation and changes here -->

## Issues closed

<!-- List closed issues here -->

src/client/apps/shared/markdown.tsx

@@ -82,6 +82,8 @@ export function Code({
 						}}
 					/>
 					<IconButton
+						color="primary"
+						variant="soft"
 						aria-label={t("labels:copy")}
 						onClick={() => {
 							navigator.clipboard.writeText(code);

src/electron/helpers/windows.ts

@@ -458,6 +458,7 @@ export async function handleCoreAppWindow(
 		apps[appId]!.restore();
 	}
 
+	apps[appId]!.focus();
 	return apps[appId];
 }