Extension:Analytics:Add tracking to kebab menu items

### What is this about?

As part of a navigation redesign we want to understand interaction with the existing kebab (overflow) menu items.

- Account details
- View on Explorer
- Connected Sites
- Expand view
- Snaps
- Support
- Settings
- Lock MetaMask

### Scenario

_No response_

### Design

_No response_

### Technical Details

_No response_

### Threat Modeling Framework

_No response_

### Acceptance Criteria

_No response_

### Stakeholder review needed before the work gets merged

- [ ] Engineering (needed in most cases)
- [ ] Design
- [ ] Product
- [ ] QA (automation tests are required to pass before merging PRs but not all changes are covered by automation tests - please review if QA is needed beyond automation tests)
- [ ] Security
- [ ] Legal
- [ ] Marketing
- [ ] Management (please specify)
- [ ] Other (please specify)

### References

_No response_

Start by locating the existing kebab or overflow menu implementation and any current analytics instrumentation for its items. Confirm the event requirements with maintainers, then verify that interactions with all eight listed menu items are tracked and covered by the repository's relevant checks.

Written by the indexing model from the issue text.