Merge pull request #5981 from overleaf/jel-synctex-bug

Fix postMessage error for PDF detach SyncTeX

GitOrigin-RevId: 701e92ca3d6bc20a6069d5290ee52d9d2d8f63b4

services/web/frontend/js/features/pdf-preview/components/pdf-synctex-controls.js

@@ -194,7 +194,7 @@ function PdfSynctexControls() {
       setSyncToPdfInFlight(true)
 
       if (clsiServerId) {
-        params.set('clsiserverid', clsiServerId)
+        params += `&clsiserverid=${clsiServerId}`
       }
 
       getJSON(`/project/${projectId}/sync/code?${params}`, { signal })
@@ -233,7 +233,7 @@ function PdfSynctexControls() {
         file: getCurrentFilePath(),
         line: cursorPosition.row + 1,
         column: cursorPosition.column,
-      })
+      }).toString()
 
       goToPdfLocation(params)
     },