Drive-by: Make label of checkboxes in disassembly view clickable.

Notry: true
Bug: v8:7327
Change-Id: I29478c5cb2bd4152df7943f9dfbba487f3b8bddb
Reviewed-on: https://chromium-review.googlesource.com/c/1407053
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58782}