Document Search

Replaced document list paging with infinite list and search filter (though neither fully function yet)
minor
minor
Replaced `SearchLeafs` with simply `Leafs` and removed the *all time trouble maker* selection sync
minor
Re-Introduced *all time trouble maker* selection sync (since manage 10k+ files is not a requirement anymore)
minor
Fixed document ordering
Implemented local filtering
minor
Implemented case insensitive regex filtering for leafs
Introduced sorter property for leafs
Restrict leaf-list sort by size, since backend cannot manage
No double search for same value