ZP-555 #comment Do not change PR_BODY for an email sent via mobile device as PR_BODY is always unicode. Only convert PR_HTML property to unicode if this property is set and the encoding of the email sent via mobile is not UTF-8.

git-svn-id: https://z-push.org/svn/z-push/trunk@1973 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5