Inline latex selection

[carofun]

Bug Report

Expected behavior/code
When selecting in the editor an inline latex text, the inline button in the toolbar should be selected

Actual Behavior
Most of the time, when selecting an inline latex text, the button of the toolbar is selected but from time to time it's not

Steps to Reproduce

1. create an inline latex formula
2. Then click in it
3. if the inline latex button is not selected then there is the bug