⌃+Tab and ^⇧+Tab keyboard shortcuts to cycle between window tabs

[FastestMolasses]

Description

Implemented ⌃ Tab and ⌃ ⇧ Tab keyboard shortcuts to let the user navigate back and forth between window tabs.

Related Issues

Closes #1657

Checklist

• [x] I read and understood the contributing guide as well as the code of conduct
• [x] The issues this PR addresses are related to each other
• [x] My changes generate no new warnings
• [x] My code builds and runs on my machine
• [x] My changes are all related to the related issue above
• [x] I documented my code

Screenshots