Simplify global variables so numbers can be better utilized by users without doing filtering themselves

[PrzemyslawKlys]

        EmailList {
            EmailListItem -Text "Found users matching rule to send emails: ", $SummaryUsersEmails.Count
            EmailListItem -Text "Sent emails to users: ", ($SummaryUsersEmails | Where-Object { $_.Status -eq $true }).Count
            EmailListItem -Text "Couldn't send emails because of no email: ", ($SummaryUsersEmails | Where-Object { $_.Status -eq $false -and $_.StatusError -eq 'No email address for user' }).Count
            EmailListItem -Text "Couldn't send emails because other reasons: ", ($SummaryUsersEmails | Where-Object { $_.Status -eq $false -and $_.StatusError -ne 'No email address for user' }).Count
            EmailListItem -Text "Sent emails to managers: ", $SummaryManagersEmails.Count
            EmailListItem -Text "Sent emails to security: ", $SummaryEscalationEmails.Count
        }