Fix regression: Hide password before unlocking database

[phoerious]

Regression introduced in 2.7.

Fixes #7724.

Type of change

• ✅ Bug fix (non-breaking change that fixes an issue)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.27%. Comparing base (ad61d71) to head (a41b034).
Report is 466 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #7725   +/-   ##
========================================
  Coverage    64.27%   64.27%           
========================================
  Files          340      340           
  Lines        43470    43475    +5     
========================================
+ Hits         27936    27941    +5     
  Misses       15534    15534           

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[droidmonkey]

Can we also make sure we clear any existing quick unlock settings for the file when the tab is closed?

[phoerious]

I added a commit which does that, but I can't really test it here. Maybe you can.