Add "OK" and "Cancel" buttons to cluster login quick picks input fields

[vrubezhny]

This PR adds a possibility to finish or cancel an entering value operation (like, for new cluster URL, new username, password, token inputs) with pressing an Enter or Cancel clickable buttons:

[codecov]

Codecov Report

Attention: 60 lines in your changes are missing coverage. Please review.

Comparison is base (d7cedf2) 35.68% compared to head (fdd915b) 35.43%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3475      +/-   ##
==========================================
- Coverage   35.68%   35.43%   -0.25%     
==========================================
  Files          79       79              
  Lines        5571     5613      +42     
  Branches     1096     1116      +20     
==========================================
+ Hits         1988     1989       +1     
- Misses       3583     3624      +41     

Files	Coverage Δ
src/openshift/cluster.ts	8.20% <0.00%> (-0.29%)	⬇️

... and 3 files with indirect coverage changes

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[datho7561]

If I try to add a new user, it errors and I get "Excpected a string but got an undefined"

[vrubezhny]

No need to use keyboard if you already have your credentials saved:

Screencast.from.2023-10-25.18-30-22.webm

You can go back from any step of login workflow:

Screencast.from.2023-10-25.19-28-49.webm

[vrubezhny]

If I try to add a new user, it errors and I get "Excpected a string but got an undefined"

@datho7561 Fixed this as well as few other issues I found (returning back from login method selection)

[datho7561]

Seems to be working well. Thank you, Victor!