Fixes #1121: Fix slow loading of mapy.cz if Loader not fetched (e.g. slow connection or offline). The mapy.cz API is loaded asynchronously now. The map loading is waiting in a loop until it is loaded.
Související úkoly
Chyba #1121: Pomalé načítání profilu člena při nedostupnosti internetu kvůli Mapy.cz
Fixes #1121: Fix slow loading of mapy.cz if Loader not fetched (e.g. slow connection or offline). The mapy.cz API is loaded asynchronously now. The map loading is waiting in a loop until it is loaded.