[JENKINS-35098] Work around core misfeature when using 1.642.x or 1.651.x

[jglick]

Pending an update to a core with jenkinsci/jenkins#2371 (or a backport), this should avoid a performance penalty observed from Stage View:

12345msec elapsed in Handling GET …/job/master/wfapi/runs …
    java.util.TreeMap.successor(TreeMap.java:2150)
    java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1208)
    java.util.TreeMap$KeyIterator.next(TreeMap.java:1261)
    nectar.plugins.rbac.groups.Group.isMatch(Group.java:472)
    nectar.plugins.rbac.groups.Group.isMatch(Group.java:425)
    nectar.plugins.rbac.groups.Group.isMatch(Group.java:362)
    nectar.plugins.rbac.groups.GroupContainerACL.hasPermission(GroupContainerACL.java:157)
    nectar.plugins.rbac.groups.GroupContainerACL._hasPermission(GroupContainerACL.java:106)
    nectar.plugins.rbac.groups.GroupContainerACL.hasPermission(GroupContainerACL.java:72)
    org.jenkinsci.plugins.workflow.multibranch.BranchJobProperty$1.hasPermission(BranchJobProperty.java:71)
    hudson.security.ACL.hasPermission(ACL.java:73)
    hudson.model.AbstractItem.hasPermission(AbstractItem.java:512)
    com.cloudbees.hudson.plugins.folder.AbstractFolder.getItems(AbstractFolder.java:581)
    hudson.model.Items.getAllItems(Items.java:357)
    hudson.model.Items.getAllItems(Items.java:377)
    hudson.model.Items.getAllItems(Items.java:377)
    hudson.model.Items.getAllItems(Items.java:353)
    jenkins.model.Jenkins.getAllItems(Jenkins.java:1444)
    hudson.scm.AutoBrowserHolder.infer(AutoBrowserHolder.java:77)
    hudson.scm.AutoBrowserHolder.get(AutoBrowserHolder.java:64)
    hudson.scm.SCM.getEffectiveBrowser(SCM.java:136)
    org.jenkinsci.plugins.workflow.job.WorkflowRun.getChangeSets(WorkflowRun.java:677)
    com.cloudbees.workflow.rest.external.ChangeSetExt.hasChanges(ChangeSetExt.java:149)
    com.cloudbees.workflow.rest.external.RunExt.createOld(RunExt.java:325)
    com.cloudbees.workflow.rest.external.RunExt.create(RunExt.java:304)
    com.cloudbees.workflow.rest.external.JobExt.create(JobExt.java:131)
    com.cloudbees.workflow.rest.endpoints.JobAPI.doRuns(JobAPI.java:72)

@reviewbybees esp. @svanoort

[ghost]

This pull request originates from a CloudBees employee. At CloudBees, we require that all pull requests be reviewed by other CloudBees employees before we seek to have the change accepted. If you want to learn more about our process please see this explanation.

[svanoort]

Looks good to me AFAICT