📝 Provide detailed reproduction steps (if any)

1. Add Image From URL
2. Save The Form
3. Click Source
4. Toolbar is covered by a popup window

✔️ Expected result

The popup should not be covering toolbar

❌ Actual result

The popup prevents the toolbar from being clickable

❓ Possible solution

If you have ideas, you can list them here. Otherwise, you can delete this section.

📃 Other details

• Browser: Mozilla FireFox
• OS: macOS Sequoia 15.1.1
• First affected CKEditor version:
• Installed CKEditor plugins:

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