Fix WriteBarIcon missing label warning logic (#6385)

Предупреждение о том, что у WriteBarIcon отсутствует текстовое описание выводится даже если текстовое описание есть.

В v6 эта проблема решена чуть иначе.

packages/vkui/src/components/WriteBarIcon/WriteBarIcon.test.tsx

@@ -3,7 +3,23 @@ import { render, screen } from '@testing-library/react';
 import { baselineComponent } from '../../testing/utils';
 import { WriteBarIcon } from './WriteBarIcon';
 
+const warnStub = jest.fn();
+jest.mock('../../lib/warnOnce', () => {
+  const originalModule = jest.requireActual('../../lib/warnOnce');
+
+  return {
+    __esModule: true,
+    ...originalModule,
+    warnOnce: () => {
+      return () => {
+        warnStub();
+      };
+    },
+  };
+});
+
 describe('WriteBarIcon', () => {
+  beforeEach(() => warnStub.mockReset());
   baselineComponent((props) => <WriteBarIcon aria-label="WriteBarIcon" {...props} />);
 
   it('a11y: adds default aria-label for assigned mode', () => {
@@ -12,6 +28,38 @@ describe('WriteBarIcon', () => {
     expect(screen.getByTestId('button')).toHaveAttribute('aria-label', 'Отправить');
   });
 
+  it('a11y: warns when there is no label text', () => {
+    const nodeEnv = process.env.NODE_ENV;
+    process.env.NODE_ENV = 'development';
+
+    render(<WriteBarIcon data-testid="button" mode={undefined} />);
+
+    expect(warnStub).toHaveBeenCalledTimes(1);
+
+    process.env.NODE_ENV = nodeEnv;
+  });
+
+  it('a11y: does not warn when there is label text', () => {
+    const nodeEnv = process.env.NODE_ENV;
+    process.env.NODE_ENV = 'development';
+
+    const { rerender } = render(<WriteBarIcon data-testid="button" mode="send" />);
+    expect(warnStub).not.toHaveBeenCalled();
+
+    rerender(<WriteBarIcon aria-label="send" />);
+    expect(warnStub).not.toHaveBeenCalled();
+
+    rerender(
+      <React.Fragment>
+        <WriteBarIcon aria-labelledby="send" />
+        <div id="send">Send</div>
+      </React.Fragment>,
+    );
+    expect(warnStub).not.toHaveBeenCalled();
+
+    process.env.NODE_ENV = nodeEnv;
+  });
+
   it('shows counter when count={0} is provided', () => {
     const count = 0;
 

packages/vkui/src/components/WriteBarIcon/WriteBarIcon.tsx

@@ -81,7 +81,7 @@ export const WriteBarIcon = ({
   }
 
   if (process.env.NODE_ENV === 'development') {
-    const isAccessible = !modeLabel && (!restProps['aria-label'] || restProps['aria-labelledby']);
+    const isAccessible = modeLabel || restProps['aria-label'] || restProps['aria-labelledby'];
 
     if (!isAccessible) {
       warn(COMMON_WARNINGS.a11y['button-name'], 'error');