Merge branch 'fix-function-call-in-pulldown' into 'pregmod-master'

fix function call in pulldown

Closes #2605

See merge request pregmodfan/fc-pregmod!8464

src/gui/options/options.js

@@ -267,7 +267,7 @@ App.UI.OptionsGroup = (function() {
 						this.object[this.property] = Number(O.value);
 					}
 					const originalObj = this.valuePairs.find(obj => obj.name === O.textContent);
-					if (originalObj && originalObj.hasOwnProperty("callback")) {
+					if (originalObj && typeof originalObj.callback === "function") {
 						originalObj.callback();
 					}
 					App.UI.reload();