title: DSL Seed Job for Multibranch pipeline with Bitbucket branch plugin suppress auto build of branches
body: <p>Have a DSL job to create multibranch pipeline jobs in jenkins, running Jenkins <code>2.107.1</code> with plugins: 'Branch API Plugin' <code>2.0.18</code>, 'Bitbucket Branch Source Plugin' <code>2.2.10</code>.</p>
  
  <p>I'm unable to find a proper configuration function to enable property to "Suppress automatic SCM triggering", please help.</p>
  
  <p>Here is my job that works but its just triggers the build as soon as it scans for branch:</p>
  
  <pre><code>multibranchPipelineJob("job") {
    configure {
      it / sources / data / 'jenkins.branch.BranchSource' / source(class: 'com.cloudbees.jenkins.plugins.bitbucket.BitbucketSCMSource') {
        credentialsId('..')
        id("..")
        checkoutCredentialsId("..")
        repoOwner("owner")
        repository("my-repo")
        includes()
        excludes("PR-*")
      }
    }
  }
  </code></pre>