cmd/dist: always pass -short=true with -quick

[ferrmin]

Fixes golang#53818

Change-Id: I190a8bcf50d92b9c10e9980e630ebb362d8b19ec
Reviewed-on: https://go-review.googlesource.com/c/go/+/417918
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Reviewed-by: Michael Pratt mpratt@google.com
Run-TryBot: Ian Lance Taylor iant@google.com
Reviewed-by: Cherry Mui cherryyz@google.com

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