NetP connection notifications improvements

[graeme]

Task/Issue URL: https://app.asana.com/0/0/1205656863843386/f

Description:

On testing the Network Protection notifications on iOS, we decided to make a few UX tweaks:
Show the same connection notifications when the user connects manually as well as when they reconnect after an interruption
Include the server location in the body text of these notifications
On iOS, replace old notifications about the connection with the latest one to remove confusion about current connection status.

Steps to test this PR:

1. Build this branch
2. If NetP is already started, stop it (Settings -> Network Protection)
3. Start NetP
4. Observe the connection notification including the server location
5. Go to Settings -> Debug -> Network Protection
6. Trigger a Connection Interruption
7. Observe the interruption notification which is then replaced by the connection one

Copy Testing:

• Use of correct apostrophes in new copy, ie ’ rather than ’

Orientation Testing:

• Portrait
• Landscape

Device Testing:

• iPhone SE (1st Gen)
• iPhone 8
• iPhone X
• iPhone 14 Pro
• iPad

OS Testing:

• iOS 14
• iOS 15
• iOS 16

Theme Testing:

• Light theme
• Dark theme

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Internal references:

Software Engineering Expectations
Technical Design Template

[samsymons]

Looks good, this works great!