Function mergeControlBarIcons

mergeControlBarIcons(userIcons?: Partial<ControlBarIcons>): ControlBarIcons
Merges user-provided icons with defaults.
Parameters
- OptionaluserIcons: Partial<ControlBarIcons>
  Partial icons to merge with defaults
Returns ControlBarIcons
Complete icons object with user overrides applied
Example
```
import { FaMicrophone } from 'react-icons/fa';

const icons = mergeIcons({ micOn: <FaMicrophone /> });
```
- Defined in react-ui/src/control-bar/defaults.ts:443