[Bug]: CloseButton and ClearButton don't support self-managed tooltips

### Code of conduct

- [X] I agree to follow this project's code of conduct.

### Impacted component(s)

CloseButton, ClearButton

### Expected behavior

As normal ActionButton triggers a slotted (self-managed) tooltip - user would expect the same behavior for CloseButton and ClearButton

### Actual behavior

CloseButton nor ClearButton shows slotted (self-managed) tooltip

### Screenshots

_No response_

### What browsers are you seeing the problem in?

Chrome

### How can we reproduce this issue?

1. Go to https://studio.webcomponents.dev/edit/4jQM84fJGHNtETZSNrFM/src/index.ts?p=stories
2. Hover over action-button => tooltip is showing
3. Hover over close button and clear button => no tooltip is showing

### Sample code or abstract reproduction which illustrates the problem

_No response_

### Severity

SEV 4

### Logs taken while reproducing problem

_No response_

Start by locating the CloseButton and ClearButton implementations and compare how ActionButton handles a slotted, self-managed tooltip. Reproduce the behavior using the linked Studio example in Chrome, then verify that hovering all three buttons shows the expected tooltip.

Written by the indexing model from the issue text.