All of these ‘fast’ file managers have a big problem: they don't support system calls to dialog windows.
Mostly users interact with the explorer in this scenario to open/save a file in ‘BrowserOS’
Mostly users interact with the explorer in this scenario to open/save a file in ‘BrowserOS’
It's a little unclear what you mean exactly. Do you want the browsing experience changed for the system's file open/save dialogs? i.e. a third-party file explorer opens instead with all of it's features.