Sort specific lists in dropdown menu alphabetically

This adds a function to check whether the options for a
dropdown menu are custom ordered. If they are not, the
resulting list is ordered alphabetically. Otherwise the
ordering is left as is.

src/utils/dropDownUtils.ts

@@ -1,5 +1,6 @@
 import { TFunction } from "i18next";
 import { DropDownType } from './../components/shared/DropDown';
+import { isJson } from "./utils";
 /*
  * this file contains functions, which are needed for the searchable drop-down selections
  */
@@ -46,6 +47,14 @@ export const formatDropDownOptions = (
 	required: boolean,
 	t: TFunction
 ) => {
+	/**
+	 * This is used to determine whether any entry of the passed `unformattedOptions`
+	 * contains an `order` field, indicating that a custom ordering for that list
+	 * exists and the list therefore should not be ordered alphabetically.
+	 */
+	const hasCustomOrder = unformattedOptions.some((item: any) => 
+		isJson(item.name) && JSON.parse(item.name).order !== undefined);
+
 	const formattedOptions = [];
 	if (!required) {
 		formattedOptions.push({
@@ -111,5 +120,7 @@ export const formatDropDownOptions = (
 		}
 	}
 
-	return formattedOptions;
+	return hasCustomOrder
+		? formattedOptions
+		: formattedOptions.sort((a, b) => a.label.localeCompare(b.label));
 };