Tweak Cmd+click navigation

[lukechurch]

Currently, if the cursor is over id, and the Cmd button is pressed, the underline navigation does not appear until the mouse is moved. It should appear straight away without any mouse movement being needed.

[clayberg]

Set owner to @stevemessick.

[stevemessick]

I agree that would be nice and I've wondered why Eclipse doesn't do that. The answer is that activating hyperlinking on Cmd-key-down has bad interactions with other uses of Cmd. For example, if you are doing some copy/paste editing and you do it fast (using Cmd-C, Cmd-V) you suddenly find yourself editing a different file.

I don't think we can do this until we get sub-millisecond parse/resolve/analyze-types timings. Or at least sub-10ms.

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Added AsDesigned label.