Description

This fixes the ClientConnectedState class having the wrong base class. It now properly inherits from OnlineState instead of the base ConnectionState. This PR also moves the k_DtlsConnType constant to the ConnectionMethod class, where it is actually used.

Issue Number(s)

MTT-5293

Contribution checklist

• Tests have been added for boss room and/or utilities pack
• Release notes have been added to the project changelog file and/or package changelog file
• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• JIRA ticket ID is in the PR title or at least one commit message
• Include the ticket ID number within the body message of the PR to create a hyperlink
• An Index entry has been added in readme.md if applicable