JabRef version 5.2 on Windows 10, Ubuntu 20.04.1 and Mac OS Catalina 10.15.7

Some keyboard shortcuts are not working:

• Ctrl + E : open editor of highlighted reference
• Ctrl + Shift + U : create new unpublished
• Ctrl + Shift + R : create new report
• Ctrl + Shift + P : create new proceedings
• Ctrl + Shift + T : create new phdthesis
• Ctrl + Shift + M : create new masterthesis

Steps to reproduce the behavior:

1. Open the JabRef app
2. Open any library
3. Press shortcut on keyboard