Fix SSL config for JDK PKCS setup

[willyborankin]

Description

Set the keystore_password by default same as the keystore_keypassword setting

Issues Resolved

#4961

Check List

• New functionality includes testing
• New functionality has been documented
• New Roles/Permissions have a corresponding security dashboards plugin PR
• API changes companion pull request created
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 71.41%. Comparing base (a3345ef) to head (7b448e5).

Files with missing lines	Patch %	Lines
...rch/security/ssl/config/SslCertificatesLoader.java	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4999      +/-   ##
==========================================
- Coverage   71.50%   71.41%   -0.10%     
==========================================
  Files         334      334              
  Lines       22556    22557       +1     
  Branches     3589     3590       +1     
==========================================
- Hits        16129    16109      -20     
- Misses       4635     4655      +20     
- Partials     1792     1793       +1     

Files with missing lines	Coverage Δ
...rch/security/ssl/config/SslCertificatesLoader.java	87.03% <66.66%> (-1.65%)	⬇️

... and 6 files with indirect coverage changes