[Splash Screen] Skip image/video using keyboard/mouse

[veksha]

I have verified that:

• [x] These changes work, by building the extension and testing.
• [x] That the changes comply with the rules indicated in the repository.
• [x] Pull request is targeting master branch.

resolves https://github.com/darklinkpower/PlayniteExtensionsCollection/issues/503

[veksha]

also it seems that this PR fixes the following issue too:

AleNaz: im using xenia with splash screen AleNaz: and it doesnt focus xenia AleNaz: so i have to alt tab to xenia

(issue happens first time after launching Playnite.)