Text isn't pasted into Portable Text Editor in Firefox

[DorianNiemiecSVRJS]

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Describe the bug

When Ctrl+V is pressed when the Portable Text Editor is open, the text isn't pasted. This issue appears on Mozilla Firefox 126.0.1

To Reproduce

Steps to reproduce the behavior:

1. Create a new Next.js project with Sanity (with blog scheme), then run it with npm run build; npm run start.
2. Log into Sanity Studio at http://localhost:3000/studio using Mozilla Firefox.
3. Create a new post in Sanity Studio.
4. Activate the Portable Text Editor under the Body label.
5. Copy something, then paste it into text editor using Ctrl+V.

Expected behavior

The text should be pasted into Portable Text Editor.

Which versions of Sanity are you using?

npx sanity versions
@sanity/cli (global)  3.46.1 (up to date)
@sanity/image-url      1.0.2 (up to date)
@sanity/vision        3.46.1 (up to date)
sanity                3.46.1 (up to date)

What operating system are you using?

Ubuntu 20.04 (Linux kernel version: 5.4.0-48-generic)

Which versions of Node.js / npm are you running?

npm -v && node -v
10.7.0
v18.20.3

[DorianNiemiecSVRJS]

Duplicate of #6715