[DateRangePicker] Fix name prop propagation regression

packages/x-date-pickers-pro/src/DesktopDateRangePicker/tests/DesktopDateRangePicker.test.tsx

@@ -115,6 +115,24 @@ describe('<DesktopDateRangePicker />', () => {
 
       expect(input.parentElement).to.have.class('Mui-focused');
     });
+
+    it('should render the input with a given `name` when `SingleInputDateRangeField` is used', () => {
+      // Test with v7 input
+      const v7Response = render(
+        <DesktopDateRangePicker
+          name="test"
+          enableAccessibleFieldDOMStructure
+          slots={{ field: SingleInputDateRangeField }}
+        />,
+      );
+      expect(screen.getByRole<HTMLInputElement>('textbox', { hidden: true }).name).to.equal('test');
+
+      v7Response.unmount();
+
+      // Test with v6 input
+      render(<DesktopDateRangePicker name="test" slots={{ field: SingleInputDateRangeField }} />);
+      expect(screen.getByRole<HTMLInputElement>('textbox').name).to.equal('test');
+    });
   });
 
   describe('Component slot: Popper', () => {

packages/x-date-pickers-pro/src/MobileDateRangePicker/tests/MobileDateRangePicker.test.tsx

@@ -10,10 +10,31 @@ import {
   getFieldSectionsContainer,
 } from 'test/utils/pickers';
 import { DateRange } from '@mui/x-date-pickers-pro/models';
+import { SingleInputDateRangeField } from '@mui/x-date-pickers-pro/SingleInputDateRangeField';
 
 describe('<MobileDateRangePicker />', () => {
   const { render } = createPickerRenderer({ clock: 'fake' });
 
+  describe('Field slot: SingleInputDateRangeField', () => {
+    it('should render the input with a given `name` when `SingleInputDateRangeField` is used', () => {
+      // Test with v7 input
+      const v7Response = render(
+        <MobileDateRangePicker
+          name="test"
+          enableAccessibleFieldDOMStructure
+          slots={{ field: SingleInputDateRangeField }}
+        />,
+      );
+      expect(screen.getByRole<HTMLInputElement>('textbox', { hidden: true }).name).to.equal('test');
+
+      v7Response.unmount();
+
+      // Test with v6 input
+      render(<MobileDateRangePicker name="test" slots={{ field: SingleInputDateRangeField }} />);
+      expect(screen.getByRole<HTMLInputElement>('textbox').name).to.equal('test');
+    });
+  });
+
   describe('picker state', () => {
     it('should open when focusing the start input', () => {
       const onOpen = spy();

packages/x-date-pickers-pro/src/internals/hooks/useDesktopRangePicker/useDesktopRangePicker.tsx

@@ -170,7 +170,7 @@ export const useDesktopRangePicker = <
       timezone,
       autoFocus: autoFocus && !props.open,
       ref: fieldContainerRef,
-      ...(inputRef ? { inputRef, name } : {}),
+      ...(fieldType === 'single-input' ? { inputRef, name } : {}),
     },
     ownerState: props,
   });

packages/x-date-pickers-pro/src/internals/hooks/useMobileRangePicker/useMobileRangePicker.tsx

@@ -144,7 +144,7 @@ export const useMobileRangePicker = <
       selectedSections,
       onSelectedSectionsChange,
       timezone,
-      ...(inputRef ? { inputRef, name } : {}),
+      ...(fieldType === 'single-input' ? { inputRef, name } : {}),
     },
     ownerState: props,
   });