Change createdTime column data type format to DATETIME2

[bhagyasakalanka]

Purpose

• Due to a bug in how mssql server versions after 2016 compare datetime, there can be unexpected results occurred. With this PR, As microsoft recommend to use datatime2 format for comparison, changing the createdTime column format to datetime2.
  We use createdTime to compare when listing organizations.

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[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/8923276244

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/8923276244
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/8923276244

[bhagyasakalanka]

Closing this PR as this issue was handle via a different method