Disabled time does not have aria-disabled attribute (unlike disabled dates)

[alexkuc]

Describe the bug
When certain time is excluded, it does not have aria attribute aria-disabled unlike disabled dates

To Reproduce
Steps to reproduce the behavior:

1. Go to https://reactdatepicker.com/#example-exclude-times
2. Inspect Time column using Chrome's dev tools
3. See html output similar to this:

<li class="react-datepicker__time-list-item  react-datepicker__time-list-item--disabled" tabindex="-1" role="option">5:00 PM</li>

4. Go to https://reactdatepicker.com/#example-exclude-dates
5. Inspect disabled date cell using Chrome's dev tools
6. See html output similar to this:

<div class="react-datepicker__day react-datepicker__day--015 react-datepicker__day--disabled react-datepicker__day--excluded react-datepicker__day--selected react-datepicker__day--today" tabindex="0" aria-label="Not available Friday, September 15th, 2023" role="option" title="" aria-disabled="true" aria-current="date" aria-selected="true">15</div>

Expected behavior
See attribute aria-disabled="true" present for both, disabled dates and disabled times.

[alexkuc]

If my understanding is correct, we only need to add aria attribute here:

react-datepicker/src/time.jsx

Lines 208 to 210 in 9c24960

	tabIndex={time === timeToFocus ? 0 : -1}
	role="option"
	aria-selected={this.isSelectedTime(time) ? "true" : undefined}

If this sounds right, I can submit a PR for this.

[martijnrusschen]

Go ahead, I can review a PR

[balajis-qb]

Hi @martijnrusschen,
I fixed the mentioned issue in my PR - #4319. I also included the RTL migration for the corresponding test cases. Kindly review it and let me know if any changes required.