Opening embedded text document sets the FC file as modified

[0penBrain]

Is there an existing issue for this?

• I have searched the existing issues

Problem description

Steps to reproduce :

• Create new document
• Add embedded Text Document
• Save and close file
• Reopen saved file
• Double-click embedded Text Document in the tree => ⚠️ The FC file is marked as modified, and you'll get an "unsaved document" notification if you try to close it (without any modification)

Full version info

OS: Ubuntu 22.04.4 LTS (KDE/plasma)
Word size of FreeCAD: 64-bit
Version: 0.22.0dev.37076 (Git)
Build type: Debug
Branch: master
Hash: 02df1c86b70b155886e64a4ad7f944ed9cd3582d
Python 3.10.12, Qt 5.15.3, Coin 4.0.0, Vtk 7.1.1, OCC 7.6.3
Locale: English/United States (en_US)

Subproject(s) affected?

Core

Anything else?

No response

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