Sentry / Slack integration issue with popup on resolve/archive buttons

### Self-Hosted Version 25.7.0 ### CPU Architecture x86_64 ### Docker Version 28.3.0 ### Docker Compose Version 2.37.3 ### Machine Specification - [x] My system meets the minimum system requirements of Sentry ### Steps to Reproduce when allert appears in slack and trying to push resolve pop-up menu doesn't appear <img width="487" height="128" alt="Image" src="https://github.com/user-attachments/assets/58f0846c-1701-4613-a231-023ca23e47ad" /> ### Expected Result when pushing on alert resolve pop-up, it doesn't appear. for few peaoples OK but for doesn't work for most... <img width="1036" height="462" alt="Image" src="https://github.com/user-attachments/assets/8d419d16-1ddb-434a-a863-9eae5879dfa2" /> ### Actual Result nginx logs shows +0000] "POST /extensions/slack/action/ HTTP/2.0" 200 0 "-" "Slackbot 1.0 (+https://api.slack.com/robots)" "0.205" ratio="-" body="-" Host="sentry.somehost.com" X-Host="-" X-Nord-Host-Orig="-" debug="-" cache="-" country="IT" ### Event ID _No response_