Update JSDoc for onhide parameter to be optional

Author: bajrangCoder

src/dialogs/color.js

@@ -7,7 +7,7 @@ let lastPicked = localStorage.__picker_last_picked || "#fff";
 /**
  * Choose color
  * @param {string} defaultColor Default color
- * @param {Function} onhide Callback function
+ * @param {Function} [onhide] Callback function
  * @returns {Promise<string>}
  */
 function color(defaultColor, onhide) {