fix: pdb value mapping in redis-sentinel

[Dariusch]

Description

The pdb values are not applied correctly. This PR is fixing it.

Type of change

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

Checklist

• Tests have been added/modified and all tests pass.
• Functionality/bugs have been confirmed to be unchanged or fixed.
• I have performed a self-review of my own code.
• Documentation has been updated or added where necessary.

Additional Context

Previous PR #1123

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 29.95%. Comparing base (d121d86) to head (fc15390).
Report is 140 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1136      +/-   ##
==========================================
- Coverage   35.20%   29.95%   -5.25%     
==========================================
  Files          19       54      +35     
  Lines        3213     6243    +3030     
==========================================
+ Hits         1131     1870     +739     
- Misses       2015     4182    +2167     
- Partials       67      191     +124     

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[drivebyer]

lgtm