Accessibility: "ARIA input fields must have an accessible name"

[tdSPAccessibility]

Version used
4.13.1

Describe the bug
Accessibility:
A few PnP Modern Search issues were identified during the accessibility audit.
Axe DevTools informs of problems in the PnP Modern Search Results webpart: "ARIA input fields must have an accessible name" error in sort order dropdown.
Axe DevTools: axe Browser Extensions for Accessibility Testing | Deque
WCAG 2.1, 4.1.2

To Reproduce
Detailed steps to reproduce the behavior:
Configure search page you like with search box and results web parts. The sort order dropdown must be visible.
Execute a search that returns some results.
Execute the axe DevTools accessibility tool on the page.
The axe DevTools tool should find "ARIA input fields must have an accessible name" -error in the results web part and provide suggestions for fixing it.

Expected behavior
The axe DevTools should not find any technical errors in the web part.

Desktop (please complete the following information):
Browser: Chrome, Version 129.0.6668.90 (Official Build) (64-bit)