[JENKINS-53535] Make Bitbucket Server, Owner and repository environment variables for Bitbucket Team/Project based jobs

Fix missing git extension BitbucketEnvVarExtension in method BitbucketSCMSource.build, lost in resolution of merge conflicts after the cherry-pick of the feature from 933.x branch.

Author: nfalco79

src/main/java/com/cloudbees/jenkins/plugins/bitbucket/BitbucketSCMSource.java

@@ -43,6 +43,7 @@
 import com.cloudbees.jenkins.plugins.bitbucket.endpoints.BitbucketEndpointConfiguration;
 import com.cloudbees.jenkins.plugins.bitbucket.endpoints.BitbucketServerEndpoint;
 import com.cloudbees.jenkins.plugins.bitbucket.hooks.HasPullRequests;
+import com.cloudbees.jenkins.plugins.bitbucket.impl.extension.BitbucketEnvVarExtension;
 import com.cloudbees.jenkins.plugins.bitbucket.impl.util.BitbucketApiUtils;
 import com.cloudbees.jenkins.plugins.bitbucket.impl.util.BitbucketApiUtils.BitbucketSupplier;
 import com.cloudbees.jenkins.plugins.bitbucket.impl.util.BitbucketCredentials;
@@ -1011,6 +1012,7 @@ public SCM build(@NonNull SCMHead head, @CheckForNull SCMRevision revision) {
         BitbucketAuthenticator authenticator = authenticator();
         return new BitbucketGitSCMBuilder(this, head, revision, credentialsId)
                 .withExtension(new GitClientAuthenticatorExtension(authenticator == null || sshAuth ? null : authenticator.getCredentialsForSCM()))
+                .withExtension(new BitbucketEnvVarExtension(getRepoOwner(), getRepository(), getProjectKey(), getServerUrl()))
                 .withCloneLinks(primaryCloneLinks, mirrorCloneLinks)
                 .withTraits(traits)
                 .build();

src/main/java/com/cloudbees/jenkins/plugins/bitbucket/impl/extension/BitbucketEnvVarExtension.java

@@ -6,6 +6,7 @@
 import hudson.plugins.git.GitSCM;
 import hudson.plugins.git.extensions.GitSCMExtension;
 import java.util.Map;
+import org.kohsuke.stapler.DataBoundConstructor;
 
 public class BitbucketEnvVarExtension extends GitSCMExtension {
 
@@ -14,6 +15,7 @@ public class BitbucketEnvVarExtension extends GitSCMExtension {
     private final String projectKey;
     private final String serverURL;
 
+    @DataBoundConstructor
     public BitbucketEnvVarExtension(@Nullable String owner, @NonNull String repository, @Nullable String projectKey, @NonNull String serverURL) {
         this.owner = owner;
         this.repository = repository;