Bug: cherry pick https://github.com/MetaMask/metamask-mobile/pull/28888 fix

### **Description**

We need to cheru-pick/backport https://github.com/MetaMask/metamask-mobile/pull/28888 fix to `BottomSheet` component.

### **Steps to Reproduce**

See https://consensys.slack.com/archives/C08U6DYNJ1G/p1776265582646229 conversation

### **Expected Behavior**

We shouldn't have "zombie" overlay.

### **Screenshots**

See https://consensys.slack.com/archives/C08U6DYNJ1G/p1776265582646229 conversation

### **Environment**

- OS: iphone 17 Pro (iOS 26.2)
- Browser [e.g., Chrome, Safari]
- Version [e.g., 22]

### **Additional Context**

Add any other context about the problem here.