fix: Fix code scanning alert no. 16: Incomplete string escaping or en…

…coding

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src/ui/src/builder/BuilderTemplateInput.vue

@@ -150,7 +150,7 @@ const getPath = (text) => {
  * Escape a key to support the "." and "\" in a state variable
  */
 const escapeVariable = (key) => {
-	return key.replace("\\", "\\\\").replace(".", "\\.");
+	return key.replace(/\\/g, "\\\\").replace(/\./g, "\\.");
 };
 
 const handleInput = (ev) => {