[Bugfix] Update GameConfigurationManager.cs

[laolarou726]

Fixed an issue that may cause the failed init of the ConfigManager.

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PR-Codex overview

This PR focuses on improving the GameConfigurationManager class by adding a check to prevent duplicate keys in the result dictionary.

Detailed summary

• Added a check to ensure that the result dictionary does not already contain the key before adding it.
• If the key already exists, the corresponding value is updated instead of adding a new key-value pair.

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[sonarcloud]

Quality Gate passed

Kudos, no new issues were introduced!

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

See analysis details on SonarCloud

[BiDuang]

LGTM