show "Open" above "Open URL" by default

More than one new user has been confused because when copying a file from the clipboard, the object will contain a file URL. In that case, “Open URL” is what they see by default. They create a trigger with that and then the trigger quits working after a relaunch because the URL data goes away.

They should be using “Open”, but this is not obvious.

I “broke” this myself in 78079f43ed1c, but that was not the right answer. I’ll lower the precedences in Remote Hosts instead.