Fixes #8116: Error-Dialog - Button for FE element is broken. First problem:...

Fixes #8116: Error-Dialog - Button for FE element is broken. First problem: replacing '\n' with '<br>' failed for FE link. Second problem: FormEditor fixed in case missing {{formId:S}}.
1 job for B8116-ErrorDialogButtonFEbroken in 2 minutes and 28 seconds (queued for 4 seconds)