[Bug] Conflict with PolyLang, Header/Footer Layout Controls do not function

[jessecowens]

Describe the bug
If the popular PolyLang translation plugin is active and configured with 2 or more languages, the header and footer layout controls ( +Widget, +Branding, +Menu, Trash Can, etc) do not function, and a JavaScript error is thrown.

To Reproduce
Steps to reproduce the behavior:

1. Install WordPress with Crio and PolyLang

2. Add at least 2 languages in the PolyLang Setup Wizard
   

3. Navigate to the Customize > Design > Footer > Layout menu

4. Note that you cannot add or delete rows and elements

Expected behavior
The header and footer layout controls should function.

Screenshots

Additional context
This issue was reported in the BoldGrid Support Forums

jquery.js?ver=3.5.1:4055 Uncaught TypeError: Cannot read property 'active' of undefined
    at child.toggleUsedLocations (base-controls.min.js?ver=2.8.0:1)
    at Function.<anonymous> (base-controls.min.js?ver=2.8.0:1)
    at fire (jquery.js?ver=3.5.1:3496)
    at Object.fireWith [as resolveWith] (jquery.js?ver=3.5.1:3626)
    at customize-base.js?ver=5.7.2:537
    at fire (jquery.js?ver=3.5.1:3496)
    at Object.add [as done] (jquery.js?ver=3.5.1:3555)
    at Function.when (customize-base.js?ver=5.7.2:522)
    at Function.instance (customize-base.js?ver=5.7.2:368)
    at magic (customize-base.js?ver=5.7.2:98)
toggleUsedLocations @ base-controls.min.js?ver=2.8.0:1
(anonymous) @ base-controls.min.js?ver=2.8.0:1
fire @ jquery.js?ver=3.5.1:3496
fireWith @ jquery.js?ver=3.5.1:3626
(anonymous) @ customize-base.js?ver=5.7.2:537
fire @ jquery.js?ver=3.5.1:3496
add @ jquery.js?ver=3.5.1:3555
when @ customize-base.js?ver=5.7.2:522
instance @ customize-base.js?ver=5.7.2:368
magic @ customize-base.js?ver=5.7.2:98
(anonymous) @ base-controls.min.js?ver=2.8.0:1
(anonymous) @ base-controls.min.js?ver=2.8.0:1
fire @ jquery.js?ver=3.5.1:3496
fireWith @ jquery.js?ver=3.5.1:3626
trigger @ customize-base.js?ver=5.7.2:160
(anonymous) @ customize-controls.js?ver=5.7.2:9291
mightThrow @ jquery.js?ver=3.5.1:3762
process @ jquery.js?ver=3.5.1:3830
setTimeout (async)
jQuery.readyException @ jquery.js?ver=3.5.1:4054
(anonymous) @ jquery.js?ver=3.5.1:4074
mightThrow @ jquery.js?ver=3.5.1:3762
process @ jquery.js?ver=3.5.1:3830
setTimeout (async)
(anonymous) @ jquery.js?ver=3.5.1:3868
fire @ jquery.js?ver=3.5.1:3496
fireWith @ jquery.js?ver=3.5.1:3626
fire @ jquery.js?ver=3.5.1:3634
fire @ jquery.js?ver=3.5.1:3496
fireWith @ jquery.js?ver=3.5.1:3626
process @ jquery.js?ver=3.5.1:3850
setTimeout (async)
(anonymous) @ jquery.js?ver=3.5.1:3868
fire @ jquery.js?ver=3.5.1:3496
fireWith @ jquery.js?ver=3.5.1:3626
fire @ jquery.js?ver=3.5.1:3634
fire @ jquery.js?ver=3.5.1:3496
fireWith @ jquery.js?ver=3.5.1:3626
ready @ jquery.js?ver=3.5.1:4106
completed @ jquery.js?ver=3.5.1:4116
jquery.js?ver=3.5.1:4055 Uncaught TypeError: Cannot read property 'expanded' of undefined
    at u (base-controls.min.js?ver=2.8.0:1)
    at e.value (base-controls.min.js?ver=2.8.0:1)
    at e.value (base-controls.min.js?ver=2.8.0:1)
    at HTMLDocument.<anonymous> (base-controls.min.js?ver=2.8.0:1)
    at mightThrow (jquery.js?ver=3.5.1:3762)
    at process (jquery.js?ver=3.5.1:3830)

[jamesros161]

The issue here is likely related, and also resolved by PR#729 https://github.com/BoldGrid/crio-premium/issues/93

[nicolepaschen]

If I select a hover style that does not use a secondary color the option should not show but it does:

Stable:

[nicolepaschen]

Advanced menu properties do not work as expected:

[jamesros161]

Advanced menu properties do not work as expected:

This appears to actually be a bug with PolyLang. Replicated this with PolyLang + TwentyTwenty