search in the language settings doesnt work

[Maxnflaxl]

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Bug title search in the language settings doesnt work

Bug description search in the language settings doesnt work

To Reproduce Steps to reproduce the behaviour:

1. open settings
2. expand general tab
3. click on language dropdown
4. try to search for a language

Current behaviour When you enter the text, nothing happens

Expected behaviour only the language you're searching for remains

Platform and build

• Windows
• OS version: 10
• BEAM Build number: Groovy Gluon 7.5.13840.5763

Log file(s) (if applicable) qrc:/controls/CustomComboBox.qml:59: TypeError: Cannot read property 'toLowerCase' of undefined

Screenshots (if applicable)

[Maxnflaxl]

👋 @echoby the last commit to the line of error in question was made by you, maybe you can take a look at this?