[SELC-5629] fix: getAllRoleMappings sdk when both maps are non-null with overlapping keys

[manuraf]

List of Changes

Fix getAllRoleMappings method

Motivation and Context

overlapping keys causes replace of roleMappings productRole association. This PR fix this issue maintain both productRoles list

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud