Merge pull request #13769 from overleaf/mj-bibtex-enter

[lezer] Fix bug with bracket matching for bibtex

GitOrigin-RevId: 2570bab50b73f05508af1bdeef0eab6aee4e02a9

services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar

@@ -57,18 +57,18 @@ Expression {
 }
 
 @skip {}{
-  bracedStringContents {
+  BracedStringContents {
   (
       nonClosingBracedContents |
       nestedBracedString {
         OpenBracedContents
-        bracedStringContents
+        BracedStringContents
         CloseBracedContents
       }
     )*
 }
   BracedString {
-    "{" bracedStringContents CloseBracedContents
+    "{" BracedStringContents CloseBracedContents
   }  
 }