[Bug]: Backup and sync styling is off (copy-wise)

### Describe the bug

On main Settings page, a period appears where there shouldn’t be.
Once tapping in, there are sentences without spaces between words and periods, as well as double-spaces in lines.

### Expected behavior

No period after "Back up your account and sync settings"

Fix spacing issues on body copy of Backup and sync page.

### Screenshots/Recordings

### Steps to reproduce

Go to main page, scroll to Back up and sync, and then tap in.

### Error messages or log output

```shell

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### Detection stage

During release testing

### Version

7.53.0

### Build type

None

### Device

iPhone 13 Mini

### Operating system

iOS

### Additional context

You can reach out to @coreyjanssen ok the content design team for help~

### Severity

_No response_

Start by reproducing the issue from the main Settings page and opening Backup and sync on iOS. Search the codebase for the displayed “Back up your account and sync settings” text and the affected body copy. Done means the stray period, missing spaces, and double-spaces are corrected on the main and Backup and sync pages.

Written by the indexing model from the issue text.