Notes should not modify user input if not requested

[didier-dubois]

Is your feature request related to a problem? Please describe.

When editing an imported file, Nextcloud Notes add backslash before square brackets for dor internal links. Generally speaking, a MD file editor should not modify user input by default.

Describe the solution you'd like

By default Note should respect the user input and not add any character like backslash. An option could be implemented if user still want this "intelligent" behavior.

Describe alternatives you've considered Having a simpler alternate editor.

Additional context Note under Android.