Fix the problem editor "Open in new window" redirects when there is no set. - #3259

Fix the problem editor "Open in new window" redirects when there is no set.#3259

somiaj merged 2 commits into

openwebwork:developopenwebwork/webwork2:developfrom

drgrice1:pg-editor-fix-new-window-without-setdrgrice1/webwork2:pg-editor-fix-new-window-without-setCopy head branch name to clipboard