fix(dbaas): fix nil pointer when connection information are not filled yet

[yyewolf]

This pull request makes a small but important change to the fill method in dbaas_resource.go. The change ensures that connection-related fields are only set if the Connection object is not nil, preventing potential nil pointer errors.

• Only populate the Host, Port, User, Password, and Ca fields in the model if dbaas.Connection is not nil, improving code safety.

[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

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Pure Unit test coverage

File	Coverage
All files	2%	✅
internal/services/dbaas/dbaas_resource.go	0%	✅
internal/services/dbaas/dbaas_resource.go	0%	✅
internal/services/dbaas/dbaas_resource.go	0%	✅

Minimum allowed coverage is 0%

Generated by 🐒 cobertura-action against 3b9af2e

[github-actions]

Global test coverage

File	Coverage
All files	38%	✅
internal/services/dbaas/dbaas_resource.go	2%	❌
internal/services/dbaas/dbaas_resource.go	0%	❌

Minimum allowed coverage is 10%

Generated by 🐒 cobertura-action against 3b9af2e

[github-actions]

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