As per the discussion in bug 1854165, ship.stallionexpress.ca relies on installTrigger at the moment, and without it shipping labels appear to be blank. So let's add `*.stallionexpress.ca` to our [installTrigger intervention](https://searchfox.org/mozilla-central/source/browser/extensions/webcompat/data/injections.js#466).
Bug 1859617 Comment 0 Edit History
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As per the discussion in bug 1854165, ship.stallionexpress.ca relies on installTrigger not being defined at the moment, and without it shipping labels appear to be blank. So let's add `*.stallionexpress.ca` to a "reverse" version of our [installTrigger intervention](https://searchfox.org/mozilla-central/source/browser/extensions/webcompat/data/injections.js#466) which undefines the property.