misc: force displayname in plain/text format

Change-Id: I26aa58fe029e2c111b8cbd0256bb9a9db9040eb7

src/app/commoncomponents/ContactMessageDelegate.qml

@@ -77,13 +77,14 @@ Column {
                 Label {
                     id: textLabel
 
-                    Layout.rightMargin: 6                    
+                    Layout.rightMargin: 6
                     width: parent.width
                     text: Body
                     horizontalAlignment: Qt.AlignHCenter
                     font.pointSize: JamiTheme.contactEventPointSize
                     font.bold: true
                     color: JamiTheme.chatviewTextColor
+                    textFormat: TextEdit.PlainText
                 }
             }
         }

src/app/commoncomponents/SBSMessageBase.qml

@@ -92,6 +92,7 @@ Control {
                 color: JamiTheme.chatviewUsernameColor
                 lineHeight: JamiTheme.usernameBlockLineHeight
                 leftPadding: JamiTheme.usernameBlockPadding
+                textFormat: TextEdit.PlainText
             }
         }