xF2 Add-on Warning Improvements by Xon 2.11.5

• Fix "TypeError: Argument 3 passed to XF\Service\Conversation\Pusher::setInitialProperties() must be an instance of XF\Entity\User, null give"
• Fix error when "Anonymise as" is not set to a real user, and a guest user is used instead
• If installed, Recommend updating Conversation Essentials to v2.3.11+ if users lack the "view warning issuer" permission

• Remove XF2.0 support, require XF2.1+
• Fix case where the alert/push notification for a warning is not correctly anonymized

• Fix error when Report Improvements is not installed/enabled and notices for warnings/warning actions are created
• Use phrase groups instead of individual phrases when creating threads/posts for Warnings and Warning Actions

• Ensure thread notifications do not occur inside the transaction when issuing a warning that causes warning action notifications

• Fix duplicate : in phrase when issuing a warning with select-box selectors
• Fix that viewing list of warning actions did not have the same permission checks as viewing a warning action
• Fix incorrect phrase usage for warning defaults 'years'
• Compatibility fix with Report Improvements add-on's reply-ban from warnings feature

• Fix duplicate : in phrase when issuing a warning with radio selectors
• Add icon to options (XF2.1)

Warning_Summary_Message

• Fix that upgrading from XF1.x could leave warning actions in an unmanageable state

• Allow 0 value for "Previous warning limit" (make limit 0 work)
• Remove usage of deprecated jquery functionality

• Fix warning about note length being displayed twice
• Support MultiPrefix multiple default forum prefixes