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TinyMCE fails to initialize in Firefox #412

@angelxz

Description

@angelxz

What is the current behavior?
TinyMCE fails to initialize in Firefox with the following error:
Uncaught (in promise) TypeError: t is undefined
On Chrome there's no such issue for the same page.
It is strange though, that the error doesn't show on the first clean load (in a private window) and the editor initializes correctly. But on second and consequent loads, it doesn't work and shows the error in console.
Image

Please provide the steps to reproduce and if possible a minimal demo of the problem via codesandbox.io or similar.

What is the expected behavior?

Which versions of TinyMCE/TinyMCE-Angular, and which browser / OS are affected by this issue? Did this work in previous versions of TinyMCE or TinyMCE-Angular?
tinymce-angular^8.0.1
Angular^19.1.2
Firefox 136.0.4 (64-bit)
Tested on Windows 10, Linux, MacOS

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