[cdb] Fix false negative in find references results

- `return SEARCHED_ID;` was not match by one of the regex

hide/comp/cdb/Editor.hx

@@ -1172,7 +1172,7 @@ class Editor extends Component {
 				var spaces = "[ \\n\\t]";
 				var prevChars = ",\\(:=\\?\\[|";
 				var postChars = ",\\):;\\?\\]&|";
-				var regexp = new EReg('((case$spaces+)|[$prevChars])$spaces*$id$spaces*[$postChars]*.*',"");
+				var regexp = new EReg('((return$spaces+)|(case$spaces+)|[$prevChars])$spaces*$id$spaces*[$postChars]*.*',"");
 				var regall = new EReg("\\b"+id+"\\b", "");
 
 				var tableName = sheet.name;