[x] I have verified that I am running the latest version of the COMET-WEB
[x] I have searched open and closed issues to ensure it has not already been reported
Description
The hierarchy view in the categories details form needs the following improvemens:
[x] the diagram shall be centered (currently it appears aligned to the left of the canvas) - the super category if present is not visible, only the line, the box falls of the top of the screen
[x] make it visually apparent what the selected category is
[x] make it visually apparant when a category is abstract (or not) (this may be done by putting the following in the top-center of the box: <>
[x] allow the user to pop a window that covers almost the whole screen to get a bigger diagram in case it does not fit on the canvas
Prerequisites
Description
The hierarchy view in the categories details form needs the following improvemens: