Middle Mouse Click on Tags in Image Window also closes Image Window

[todesschnitzel]

Bug description

As the title said, if you middle click on a tag in the Image Window, it closes the Image Window.
The tag gets opened in a new window without problem.
In previous versions the Image Window also stayed open.

Steps to reproduce

1. Open any image, so the Image Viewer open
2. Middle Click on any tag, so the tag gets opened in a new tab
3. Image Viewer Window gets closed

Expected behavior

The Image Viewer Window stays open and the new Tab get in the foreground.

System information

• OS: Win10 x64
• Grabber version: 7.12.2

[Bionus]

This actually seem to be a very an old bug from an old feature: the option to close the image window on middle click. It still seem to happen even when the middle click is already doing something else (here opening tags in a new tab). I'll have a look.