Fix jdbc scope validator invalid scope issue

[bhagyasakalanka]

When jdbc scope validator is enabled, the scopes are not properly validated due to a fix added with PR[1]. The PR[1] was added with the intention of supporting scopes with case sensitivity. The PR[1] uses environmental variable preservedCaseSensitive to determine if case sensitivity is enabled or not. This PR will add a separate config to configure this behavior via deployment.toml file.

With this PR, we will not change the default behavior which is preserve case sensitivity false.

Add following config to deployment.toml file to enable/disable case sensitivity for jdbc scope validator

[oauth.scope_validator]
preserve_case_sensitivity=true

Related Issues

• Invalid Scope Error at /oauth2/token Endpoint with Role-Based Scope Validator Enabled product-is#20573
• APIs cannot be invoked using a token which is generated with a scope based on userstore role product-apim#12584

Related PRs

• [1] Fixing case sensitive scope validation issue.. wso2-extensions/identity-inbound-auth-oauth#1812
• Fix jdbc scope validator invalid scope issue wso2-extensions/identity-inbound-auth-oauth#2505

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