[ts] Type-check network/SignedExchangeInfoView.js with TypeScript
[ts] Type-check network/SignedExchangeInfoView.js with TypeScript

R=dba8716ee7f8d16236046f74d2167cb94410f6ed@chromium.org

Bug: chromium:1011811
Change-Id: I59a4cef50883ea69740c7d0436379775e2e3adc3
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2453736
Reviewed-by: Tim van der Lippe <dba8716ee7f8d16236046f74d2167cb94410f6ed@chromium.org>
Commit-Queue: Simon Zünd <38944668e9e2ca98ccd0275b53370f90fa55c113@chromium.org>

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