Fix paste issue with PasswordBox and asterisk#1455

pomianowski merged 3 commits intolepoco:mainlepoco/wpfui:mainfrom

jbryknar:feature/1250-Fix_paste_issue_with_PasswordBox_and_asteriskjbryknar/wpfui:feature/1250-Fix_paste_issue_with_PasswordBox_and_asteriskCopy head branch name to clipboard