Make map type optional [ffmpeg-fluent] (#40760)
Make map type optional [ffmpeg-fluent] (#40760)

* Make map type optional

Fix complexFilter type to be optional and accept string as well as string arrays.

* Update index.d.ts

mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,dsebastien/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped