item rendering is not stable

[amosbird]

Sometimes ranger.el looks like this after I did some actions (e.g. delete),

[punassuming]

@amosbird, I reverted my attempt to mask the details in the recent master. Let me know if this helps this issue.

[amosbird]

@ralesi thanks. It works nearly as expected now. A minor issue, after directory trashed, . and .. is unmasked.