Fix renamed file reclaims focus

Summary:
After renaming a file and then selecting another file immediately the just selected file stays selected.

BUG: 388555

Test Plan:
Steps to reproduce:
$ mkdir /tmp/test
$ cd /tmp/test
$ touch a.tmp b.tmp
$ dolphin /tmp/test

In dolphin:

• select a.tmp
• <F2>
• type aaa
• select b.tmp immediately

Expected result:

• a.tmp renamed to aaa.tmp
• b.tmp stays selected, aaa.tmp stays unselected

Reviewers: ngraham, michaelh, Dolphin, elvisangelaccio

Reviewed By: ngraham, michaelh, Dolphin, elvisangelaccio

Subscribers: emateli, elvisangelaccio, Dolphin

Differential Revision: https://phabricator.kde.org/D9711