Fixed size issues on main detail view and disappearing of share recipients (#26603)

* fixed size issues on main detail view and disappearing of share recipients

* Changes due to code comments

* Moved reloadProperties() to FileInfoModel

* Solved Scrutinizer issues

* Bugfix: undefined value used on error

* check if options are set for FileInfoModel.initialize()

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>