hgview #89335 [TUI] remove bad entry 'ev/null' [validation pending]

There is an entry file 'ev/null' on unapplied patches with removed file that shall not appear.

prioritynormal
typebug
done in1.6.0
load0.250
load left0.000
closed by#451bb3d322d1 [mq] fix ``ev/null`` file entry appearing with removed files on unapplied patches (closes #89335)