In newer versions there is now a normal method for this which also supports
dynamically added components.

The static version is deprecated and removed in 2.0, so we need to port here.

Remove duplicated clipboard warning, disable nextcloudfilepicker upload button if no files are selected

Pull out nextcloudfilepicker styles to file-handling styles, styling, translation and function of clipboard

They were hardcoded in more places

Add a scope so we don't have to care about naming conflicts
and set the verison to 0.1.0 since we don't have a stable API yet.