This change makes codeActions look at the diagnostics provided before
responding. Specifically, before running "source.organizeImports", we
check if there is a diagnostic relating to imports.
Change-Id: I5268d5e8f144c4f2e085b2a861d0abfb7614323b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/170997
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Rebecca Stambler