Update customer condition rule to use element selector

[nfourtythree]

Description

Currently. the customer condition rule uses a multi-select for the purpose of selecting the users for the rule. There is an issue with this when there are a large number of users.

This PR updates the rule to make use of the element selector modal instead.

Related issues

#3291

[what-the-diff]

PR Summary

• Update to 'CustomerConditionRule' class
  The class that helps manage customer conditions has been improved. We've incorporated additional functionalities from other units of our code (Craft and Yii) which enhances the overall operations.

• New feature: inputHtml()
  A new function has been added to the class which lets the system to fetch user data and return it in the form of an HTML input field. This enhancement should improve the manner in which we handle user information.

• Deprecation of 'options()' method
  The existing 'options' function in this class will not be maintained in the future as it's becoming outdated (from version 4.3.1). This information is important to those who are using or planning to use this function.

• Repository Querying Improvement in 'modifyQuery()'
  Changes have been made in the 'modifyQuery' function to improve how we query our database. This update now allows for more complex queries, enhancing our ability to retrieve information efficiently, specifically when using a combination of 'not' and 'in' operators.