Two builds triggered while using Azure Pipelines in Pull Request

Pre-Requisites

• Bitbucket Cloud repository
• Azure pipeline, with trigger configured on both pull request validation and changes on master

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Repro Steps

• Create a pull request, a build is triggered on Azure DevOps side
• Edit the file with the UI in Bitbucket, then commit it, there on Azure DevOps side, 2 builds are triggered.

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Thanks,