[UBS.Admin.Tariffs] The '+Додати сервіс' bttn is active and Admin can click on it for adding services in a case when 1 service was added to the tariffs card

[Olena-Kharkova]

Environment:
Windows 10 Home (Version 22H2)
Chrome version 108.0.5359.71
MacOS version 12.6.1 (21G217)
Chromе version 107.0.5304.110

Reproducible: always
**Build found:**25/01/2023

Preconditions

1. Go to https://www.testgreencity.ga/GreenCityClient/#/ubs
2. Sign in as Super admin
3. Go to page "Тарифи" and choose the tariffs card (e.g. Київ, Київська область). The tariffs card has 1 added service at least.

Steps to reproduce

1. Go to block 'Сервіси' and click on the '+Додати сервіс' bttn
2. Pay attention to the '+Додати сервіс' bttn

Actual result
The '+Додати сервіс' bttn is active and Admin can click on it for adding services in a case when 1 service was added to the tariffs card

Expected result
The '+Додати сервіс' bttn is disabled and Admin gets an error message with the explanation in a case when 1 service was added to the tariffs card

User story and test case links
E.g.: "User story #4948, #4428 "

Labels to be added
"Bug", Priority ("pri: "), Severity ("severity:"), Type ("UI, "Functional"), "API" (for back-end bugs).