Firefox: Kibana crashes on reopening Console Settings

[dmlemeshko]

Kibana version:master

Elasticsearch version:master

Server OS version:10.14.4

Browser version:Firefox 66.0.3

Browser OS version:

Original install method (e.g. download page, yum, from source, etc.):master

Describe the bug: Kibana crashes on reopening Console Settings

Steps to reproduce:

1. Go to the Console page
2. Click Settings link
3. Change font size, click Save
4. Click Settings link again

Expected behavior: Console Settings are shown

Screenshots (if relevant):

Errors in browser console (if relevant):

Provide logs and/or server output (if relevant):

TypeError: saved.shift is not a function (http://localhost:5620/built_assets/dlls/vendors.bundle.dll.js line 20063 > eval:5481)

Version: 8.0.0
Build: 9007199254740991
Error: TypeError: saved.shift is not a function (http://localhost:5620/built_assets/dlls/vendors.bundle.dll.js line 20063 > eval:5481)
./src/legacy/ui/public/notify/notify.js/window.onerror@http://localhost:5620/bundles/commons.bundle.js:59809:32
handler@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:5447:18
dispatch@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:5232:16
add/elemData.handle@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:5040:6
trigger@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:8461:5
trigger/<@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:8539:4
each@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:367:10
each@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:202:10
trigger@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:8538:10
jQuery.fn[name]@webpack://%5Bname%5D/./node_modules/jquery/dist/jquery.js?:10436:4
link/<@http://localhost:5620/bundles/commons.bundle.js:48978:11
timeout/timeoutId<@webpack://%5Bname%5D/./node_modules/angular/angular.js?:20566:28
completeOutstandingRequest@webpack://%5Bname%5D/./node_modules/angular/angular.js?:6428:7
Browser/self.defer/timeoutId<@webpack://%5Bname%5D/./node_modules/angular/angular.js?:6707:7

Any additional context:

[elasticmachine]

Pinging @elastic/es-ui

[cjcenizal]

Thanks for reporting this! I was able to reproduce. Reverting #35177 seems to fix the problem so I believe this was caused by a JQuery upgrade.