After setting the viewport to 320*256 pixels, List items present in 'Time zone' combo box is truncating

### Severity

P1 - Critical (Completely blocks access)

### Type of Accessibility Issue

Keyboard Navigation

### Describe the issue

Pre-requisite:
Achieve viewport 320 X 256 by adjusting the browser. (Open developer's tool, resize and zoom the browser to achieve viewport 320 X 256).
Repro Steps:
select the recurrency trigger -> select the timezone

Actual Result:
After setting the viewport to 320*256 pixels, List items present in 'Time zone' combo box is truncating

Observation: by using mouse also there is no tooltip is provided.

### What type of Logic App are you using?

Consumption (Portal)

### Screenshots or Videos

_No response_

### Environment

Browser: Edge

### WCAG Success Criteria (if known)

_No response_

### Additional context

_No response_

Reproduce the issue in Edge at a 320×256 viewport by selecting the recurrence trigger and then the time zone combo box. Inspect the combo-box implementation and its existing accessibility behavior; done means every time-zone item is readable without truncation and mouse users receive the observed tooltip behavior.

Written by the indexing model from the issue text.