"Install from URL" doesn't work any longer

[marcelgerber]

1. Open Extension Manager
2. Click Install from URL in the footer
3. Try to input something

Result:
The input field is disabled, you can't type in an URL. Works in Release 0.43, though.

[marcelgerber]

Damn, git bisect points to my very own commit df0d86e. I'll provide a fix soon.

[marcelgerber]

We should mark that issue Release 0.44 as it's a massive regression...
(@ingorichter?)

[ingorichter]

I'll check it out tomorrow morning

[peterflynn]

@marcelgerber Yep, agreed -- adding milestone.