Bugfix/keybind overlap

[cameronfromtorq]

if a modifier button is not specified, its default is now strictly when not pressed.

now alt + ctrl + a will open neither tab

[github-actions[bot]]

Review Checklist

• [ ] Target branch (10.5 for bug fixes, others 11.x)
• [ ] Tests (if it's testable code, there should be a test for it - get help)
• [ ] Docs (every functionality needs to be documented, see here)
• [ ] Migration incl. install.sql (e.g. if the database schema changes, ...)
• [ ] Upgrade notes (deprecations, important information, migration hints, ...)
• [ ] Label
• [ ] Milestone

[torqdev]

Submitted to pimcore.