ui5-textarea: [a11y] aria-required takes no effect

[zhangliangyi]

Dear colleagues,

I am from Successfactors web experience Shanghai team.

Describe the bug
No required information output from screen reader when aira-required property is set to true.

To reproduce
Steps to reproduce the behavior:

1. Go to https://sap.github.io/ui5-webcomponents/playground/components/Label/
2. Move to section Label 'for'
3. Focus on the user input fields marked as required.

Expected behavior
Some required information should be output by screen reader.

Context

• UI5 Web Components version: 0.23.0
• OS/Platform: macOS 10.15.6
• Browser (if relevant): Microsoft Edge
• Other information: screen reader - NVDA

Affected components (if known)

• ui5-textarea
• ui5-input
• ui5-select
• ui5-datepicker
• ui5-multi-input

Thanks
Jacob

[fifoosid]

The issue has been resolved for all of the mentioned components.