fix: update community invite push notification text (#2263)
fix: update community invite push notification text (#2263)

Changes the community invitation text notifications from

“Upgrade to see a community invitation”

to

**InviteUsersToCommunity**
```golang
fmt.Sprintf("You have been invited to the community %s", community.Name())
```

**ShareCommunity**
```golang
fmt.Sprintf("Community %s has been shared with you", community.Name())
```
status-im/status-go,status-im/status-go,status-im/status-go