Commit details missing on development panel in certain issues when sync is performed with Gitlab Repository

Issue Summary

The issue is observed with Jira-Gitlab DVCS integration offered with Jira 8.14.0.
For some issues, Commit details are missing and does not appears on the Development even though Pull requests details are fetched from Gitlab to Jira database.

Steps to Reproduce

1. Create an issue in a project (i.e. TST)
2. Move that issue to another project (i.e. QA)
3. Create a branch with a title such as 'TST-1 QA-6' and another with 'TST-1'
4. Perform a sync
5. There will be a Nullpointer exception error in the logs

Expected Results

The sync should not fail with exception and the Commit information should get displayed on the Development panel.

Actual Results

The below exception is thrown in the atlassian-jira.log file and commit details are not shown on development panel

2021-03-02 10:11:29,258+0300 devstatus.dvcs.gitlabselfmanaged:thread-17 ERROR ServiceRunner     [c.a.j.p.devstatus.provider.LoggingDecorator] Call 'summary for [TST-6436, TST-4330, TST-7086]' has thrown an exception2021-03-02 10:11:29,258+0300 devstatus.dvcs.gitlabselfmanaged:thread-17 ERROR ServiceRunner     [c.a.j.p.devstatus.provider.LoggingDecorator] Call 'summary for [TST-6436, TST-4330, TST-7086]' has thrown an exceptionjava.lang.NullPointerException at java.util.AbstractCollection.addAll(AbstractCollection.java:343) at com.atlassian.jira.plugins.dvcs.dao.impl.querydsl.BranchDaoQueryDsl.lambda$addIssuesToBranches$11(BranchDaoQueryDsl.java:233)

Workaround

• Remove any branches with multiple issue keys in the name