gitGraph with customized branch name does not work sometimes

[wasphin]

Description

gitGraph with customized branch name does not work sometimes.

Steps to reproduce

1. open editor with play ground mode;

2. enter code bellow(with customized branch name):

3. it works well, then duplicate the link, or copy manually, https://www.mermaidchart.com/play?utm_source=mermaid_js&utm_medium=banner_ad&utm_campaign=teams_D#pako:eNp1UL1ugzAQfpWTJeSlQaRqF8Z2yBL1CVgOuGCrtknNkVZCvHs5TKqmajzZ331_50k1fUuqVFk22WC5hEm7vjvShZwuQbdUj51-AM2GPAlS40ACdJYPEc9Gi2Qw_edLxNAYGhaA40gLRdDX3nvLR6xXv23g0YZEf8Pk6nFgiuJ7xojOkUvCq9s8w5xlVajCNbcKsJxmZYFtS6iULFApIcmoXgPgRMhjpF1RFPvfmtv79jLUvPcjQ6pz4xPJ0bL67il_zh_TxFPs6G7AVkrgEuQrmkUOJ_slFe_QPhCYBk4sYOxkdFkj8_2P7r-Wqcufkmr-Bh5_mcw

4. refresh the page, it will not work sometimes.

Screenshots

Code Sample

%%{init: {'logLevel': 'debug', 'theme': 'base', 'gitGraph': {'showBranches': true, 'showCommitLabel': true, 'mainBranchName': 'master', 'parallelCommits': true}} }%%

gitGraph
    commit id: "init"

    branch feature-0001
    commit
    commit

    checkout master
    branch release-4.5.2
    merge feature-0001
    commit id: "0001: showcase fix"
    commit id: "0001: qa test fix" tag: "v4.5.2.1"
    checkout master
    merge release-4.5.2

Setup

• Mermaid version: online
• Browser and Version: [Chrome(133.0.6943.98)]

Suggested Solutions

No response

Additional Context

No response