Allow admin to change member's name (#5233)

* feat: allow admins to change user names

* fix: review

app/components/ConfirmationDialog.tsx

@@ -15,6 +15,8 @@ type Props = {
   savingText?: string;
   /** If true, the submit button will be a dangerous red */
   danger?: boolean;
+  /** Keep the submit button disabled */
+  disabled?: boolean;
 };
 
 const ConfirmationDialog: React.FC<Props> = ({
@@ -23,6 +25,7 @@ const ConfirmationDialog: React.FC<Props> = ({
   submitText,
   savingText,
   danger,
+  disabled = false,
 }) => {
   const [isSaving, setIsSaving] = React.useState(false);
   const { dialogs } = useStores();
@@ -50,7 +53,12 @@ const ConfirmationDialog: React.FC<Props> = ({
     <Flex column>
       <form onSubmit={handleSubmit}>
         <Text type="secondary">{children}</Text>
-        <Button type="submit" disabled={isSaving} danger={danger} autoFocus>
+        <Button
+          type="submit"
+          disabled={isSaving || disabled}
+          danger={danger}
+          autoFocus
+        >
           {isSaving && savingText ? savingText : submitText}
         </Button>
       </form>