Simplify config flow for suez water. Counter_id can now be automatically be fetched by the integration.
The value is provided only in the source code of suez website and therefore not easily accessible to user not familiar with devlopment.
Still possible to explicitly set the value for user with multiple value or value defined elsewhere.
* Add config flow to Suez water
* fix tests
* Complete coverage
* Change version to 2024.7
* Fix final test
* Add issue when import is successful
* Move hassdata
* Do unique_id
* Remove import issue when entry already exists
* Remove import issue when entry already exists
