Remove dependency resolution override for React 19 types (#39569)

Co-authored-by: ChaosExAnima <ChaosExAnima@users.noreply.github.com>

app/javascript/mastodon/components/form_fields/checkbox_field.tsx

@@ -30,7 +30,7 @@ CheckboxField.displayName = 'CheckboxField';
 
 export const Checkbox = forwardRef<HTMLInputElement, Props>(
   ({ className, size, indeterminate, ...otherProps }, ref) => {
-    const inputRef = useRef<HTMLInputElement | null>(null);
+    const inputRef = useRef<HTMLInputElement>(null);
 
     const handleRef = useCallback(
       (element: HTMLInputElement | null) => {

app/javascript/mastodon/components/form_fields/combobox_field.tsx

@@ -236,7 +236,7 @@ const ComboboxWithRef = <Item extends ComboboxItem, GroupKey extends string>(
 ) => {
   const intl = useIntl();
   const wrapperRef = useRef<HTMLDivElement>(null);
-  const inputRef = useRef<HTMLInputElement | null>();
+  const inputRef = useRef<HTMLInputElement>(null);
   const popoverRef = useRef<HTMLDivElement>(null);
 
   // This ref tracks whether the menu was just closed following a
@@ -558,7 +558,7 @@ const ComboboxWithRef = <Item extends ComboboxItem, GroupKey extends string>(
         onHide={closeMenu}
         ref={popoverRef}
         target={inputRef as React.RefObject<HTMLInputElement>}
-        container={wrapperRef}
+        container={wrapperRef as React.RefObject<HTMLDivElement>}
         popperConfig={{
           modifiers: [matchWidth],
         }}

app/javascript/mastodon/components/form_fields/copy_link_field.tsx

@@ -26,7 +26,7 @@ export const CopyLinkField = forwardRef<HTMLInputElement, CopyLinkFieldProps>(
     ref,
   ) => {
     const intl = useIntl();
-    const inputRef = useRef<HTMLInputElement | null>();
+    const inputRef = useRef<HTMLInputElement>(null);
     const handleFocus = useCallback(() => {
       inputRef.current?.select();
     }, []);

app/javascript/mastodon/components/form_fields/emoji_text_field.tsx

@@ -120,7 +120,7 @@ const EmojiFieldWrapper: FC<
     children: (
       inputProps: InputProps & { onChange: ChangeEventHandler },
     ) => ReactNode;
-    inputRef: RefObject<HTMLTextAreaElement | HTMLInputElement>;
+    inputRef: RefObject<HTMLTextAreaElement | HTMLInputElement | null>;
   }
 > = ({
   value,