Fix escape char not interpreted in expressions

lib/common/expression-parser.ts

@@ -29,7 +29,7 @@ function interpretEscapes(str): string {
     r: "\r",
     t: "\t",
   };
-  return str.replace(/\\(u[0-9a-fA-F]{4}|[^u])/, (_, escape) => {
+  return str.replace(/\\(u[0-9a-fA-F]{4}|[^u])/g, (_, escape) => {
     const type = escape.charAt(0);
     const hex = escape.slice(1);
     if (type === "u") return String.fromCharCode(parseInt(hex, 16));