Applying or popping stashed items fails silently on the latest state of main.
The following error is logged to the console:
Uncaught ReferenceError: output is not defined
applySelectedStash https://iris.krra298jtfz6.sandbox-eng-paas.isccloud.io/isc/studio/usertemplates/gitsourcecontrol/webuidriver.csp/PBARTON//js/git-webui.js:2011
DiffView https://iris.krra298jtfz6.sandbox-eng-paas.isccloud.io/isc/studio/usertemplates/gitsourcecontrol/webuidriver.csp/PBARTON//js/git-webui.js:2096

Related to #687