Conversion Javascript files to Typescript files in core directory

Nobody has claimed this yet.

### What is this about?

This epic includes all the javascript files that need to be converted to typescript files on the core directory by chunks of 5 files.

First: https://github.com/MetaMask/metamask-mobile/issues/10815
```
app/core/BackgroundBridge/BackgroundBridge.js
app/core/Permissions/specifications.js
app/core/RPCMethods/index.js
app/core/RPCMethods/wallet_addEthereumChain.js
app/core/RPCMethods/wallet_switchEthereumChain.js
```
Second: https://github.com/MetaMask/metamask-mobile/issues/10818
```
app/core/DrawerStatusTracker.js (can be deleted)
```
Third: https://github.com/MetaMask/metamask-mobile/issues/10816
```
app/core/WalletConnect/WalletConnect.js
app/core/ClipboardManager.js
app/core/EntryScriptWeb3.js
app/core/MobilePortStream.js
```
Forth: https://github.com/MetaMask/metamask-mobile/issues/10817
```
app/core/NotificationManager.js
app/core/PreventScreenshot.js
app/core/SecureKeychain.js
app/core/TransactionTypes.js
app/core/Vault.js
```

### 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 with the linked issues 10815, 10818, 10816, and 10817, then inspect the listed files under app/core/. Track the conversion in chunks of five files, including deletion of app/core/DrawerStatusTracker.js as noted; done means the specified JavaScript files have been converted to TypeScript or removed.

Written by the indexing model from the issue text.