[fix]: make `page.evaluate()` use main world#1308

seanmcguire12 wants to merge 2 commits intomainbrowserbase/stagehand:mainfrom

seanmcguire/stg-1012-make-contextaddinitscript-add-to-correct-js-worldbrowserbase/stagehand:seanmcguire/stg-1012-make-contextaddinitscript-add-to-correct-js-worldCopy head branch name to clipboard