entering filter mode does not block "l" and "h" key messages from changing the focus

**Describe the bug**
entering filter mode does not block "l" and "h" key messages from changing the focus

**Setup**
 - macOS
 - zsh
 - WezTerm

**To Reproduce**
1. run application
2. type "/" to enter filter mode
3. type either "h" or "j"
4. the focus should change

**Expected behavior**
the change focus functionality should not work when the filter is on