Markdown checkmark not visible when using darkmode

[thbemme]

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Describe the bug Markdown check marks are not visible when using dark-mode which makes it impossible to determine if the item was completed or not.

To Reproduce Steps to reproduce the behavior:

1. Enable Dark mode in settings
2. Create a note with check marks:

- [ ] text1
- [ ] text2

4. Open note in view mode

Expected behavior Check mark should be colored white like the text and in the preview when using dark mode.

Screenshots Preview is working as expected:

Note in View only mode:

Note that the check mark box is barely visible.

Smartphone (please complete the following information):

• Nextcloud Notes-Version (android app): 4.0.0
• F-Droid or Play Store: F-Droid
• Android-Version: 11
• Device: Mi 9T

Server

• Nextcloud version: 25.0.6
• Nextcloud Notes version (server app): 4.7.2