[RFR] Migrate SelectArrayInput to TypeScript

UPGRADE.md

@@ -784,4 +784,9 @@ const OrderEdit = (props) => (
         </SimpleForm>
     </Edit>
 );
-```
+```
+
+## helperText is handled the same way in all components
+
+Some components (such as `<SelectArrayInput />`) accepted the `helperText` in their `meta` prop. They now receive it directly in their props.
+Besides, all components now display their error or their helperText, but not both at the same time.

packages/ra-ui-materialui/src/input/InputWithOptions.ts

@@ -4,9 +4,9 @@ type OptionTextFunction<ChoiceType = any> = (record: ChoiceType) => string;
 
 export interface InputWithOptionsProps<ChoiceType = any> {
     choices: ChoiceType[];
-    optionText:
+    optionText?:
         | string
         | OptionTextFunction<ChoiceType>
         | ReactElement<{ record: ChoiceType }>;
-    optionValue: string;
+    optionValue?: string;
 }