[e2e] Deflake workflow test
[e2e] Deflake workflow test

It appears there can be multiple devtools-links in the performance
panel, so instead of waiting for the first one, collect them all and
wait for the right one to appear.

Bug: none
Change-Id: Ic8ad250e76a8f965373ca8e8a4fa565f556aacbf
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3870500
Auto-Submit: Philip Pfaffe <639a645feae3653b7aaefa0387217d375f2f82ff@chromium.org>
Commit-Queue: Philip Pfaffe <639a645feae3653b7aaefa0387217d375f2f82ff@chromium.org>
Reviewed-by: Alex Rudenko <d8d88e7d7e77f69e23d1d1432231196fb8e02a62@chromium.org>
Commit-Queue: Alex Rudenko <d8d88e7d7e77f69e23d1d1432231196fb8e02a62@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend