Long markdown strings disappear in Firefox

[tautvilas]

Description

When using markdown strings if the string is long enough it disappear when using Firefox browser:

https://mermaid.live/edit#pako:eNo9T7sOwjAM_BXLMwsDS1lZmeiYoRZxmojmIccRRRX_TgoSlgff6XS-2_CeLeOA0GcWKh7Gy9mkHR5Pm8Fp9KFCX0rAK8WyMGQHkeRh8zNBVQlpBvWkYEOlUpikQk7ggrDL62TwjQeMLJGC7Z-23d2geo5scOinZUdtUYMm7VJqmm-vdMdBpfEBJbfZ4-BoqR21Ykn5EqinjX-WbdAs11-Xb6X3ByrzSik

Steps to reproduce

1. Enter markdown code sample in https://mermaid.live/ editor: 15{"This is an example of markdown string that disappears on firefox"}
2. open with latest Firefox

Screenshots

Code Sample

graph TD;
    15{"`This is an example of markdown string that disappears on firefox`"}

Setup

• Mermaid version: 10.9.1
• Browser and Version: Firefox 128.0

Suggested Solutions

No response

Additional Context

No response

[eldenseropian-color]

I just ran into this too - would love if the fix got merged!

[andrzejstepien]

Also having this issue - looking forward to the fix getting merged!

[StefanFl]

Seeing it too. It would be great to get this fixed.