fix: change credential in proof request

[sairanjit]

Summary

• Fixed the changing of credential if multiple credentials exist

Checklist before requesting a review

• [x] All commits contain a DCO Signed-off-by line (we use the DCO GitHub app to enforce this).
• [x] Self-review of code & No unnecessary commented-out code.
• [x] All existing functionality remain intact.
• [x] Updated the README if necessary..
• [x] No hard-coded sensitive information.

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud