Not possible to change language settings when page is read-only

Steps to reproduce

Scenario 1:

1. Enable Svenska and English in admin
2. Go Svenska in edit mode and translate start page -> not possible since Svenska is not enabled
   
   Expected: Being able to change language settings to enable svenska
   
   Actual: Click on Sites->English->Update Language Settings->Sites->Svenska->Translate

Scenario 2:

1. Enable Svenska and English in admin
2. Set english start page to be published in the future

Expected: I can still enable Svenska
Actual: I cannot enable Svenska since Language Settings is disabled