bug(MatTooltip): Screen Reader reads disabled MatTooltip

[svetsem]

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

aria-describedby attribute should not be present at the host element when tooltip is disabled

Reproduction

Can be reproduced in documentation

Steps to reproduce:

1. Click "Tooltip disabled" checkbox
2. Use SR to check that tooltip is stiil readable
3. Check that aria-describedby is present on the button element

Expected Behavior

Disabled tooltip is not exposed to assistive technologies

Actual Behavior

Screen reader reads disabled tooltip

Environment

• CDK/Material: 18.1.2
• Browser(s): Safari, Chrome
• Operating System: macOS 14.2.1
• Screen reader: VoiceOver

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