Description:
when using dark mode: the lines and borders and background color should be Automatic: that means: it is displayed in draw: white in black: but when printing or exporting pdf it should be inversed: black in white, like in libreoffice writer: when in dark mode the background is dark and the text is white when using writer, but when exporting to pdf the background is white and the text is black.

Steps to Reproduce:
1.use dark mode
2.add some shapes and write in theme
3.add some connections between theme

Actual Results:
when exporting: the background is dark and the lines are dark also

Expected Results:
the background should be white and the lines should be dark


Reproducible: Always


User Profile Reset: No

Additional Info:
inverse the colors just when using the software and not when exporting