feat: change description of enabling simulation message in settings (#…

…28536)

## **Description**

Change description of setting top enable simulation to include
signatures.

## **Related issues**

Fixes: MetaMask/MetaMask-planning#3642

## **Manual testing steps**

1. Go to settings page
2. Check setting to enable simulation

## **Screenshots/Recordings**
<img width="744" alt="Screenshot 2024-11-19 at 3 39 22 PM"
src="https://github.com/user-attachments/assets/988f3342-aa43-4d83-895d-fc75028a124e">


## **Pre-merge author checklist**

- [X] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask
Extension Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/develop/.github/guidelines/CODING_GUIDELINES.md).
- [X] I've completed the PR template to the best of my ability
- [X] I’ve included tests if applicable
- [ ] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [X] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-extension/blob/develop/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

---------

Co-authored-by: MetaMask Bot <[email protected]>

ui/pages/settings/security-tab/__snapshots__/security-tab.test.js.snap

@@ -740,7 +740,7 @@ exports[`Security Tab should match snapshot 1`] = `
           >
             <span>
                
-              Turn this on to estimate balance changes of transactions before you confirm them. This doesn't guarantee the final outcome of your transactions. 
+              Turn this on to estimate balance changes of transactions and signatures before you confirm them. This doesn't guarantee their final outcome. 
               <a
                 href="https://support.metamask.io/transactions-and-gas/transactions/simulations/"
                 rel="noreferrer"