Speed up rendering the timeline by a LOT by reducing clipping

Sadly still required for replies, otherwise this would be perfect.

resources/qml/delegates/NoticeMessage.qml

@@ -2,5 +2,5 @@ TextMessage {
     font.italic: true
     color: colors.buttonText
     height: isReply ? Math.min(chat.height / 8, implicitHeight) : undefined
-    clip: true
+    clip: isReply
 }

resources/qml/delegates/TextMessage.qml

@@ -7,6 +7,6 @@ MatrixText {
     text: "<style type=\"text/css\">a { color:" + colors.link + ";}</style>" + formatted.replace("<pre>", "<pre style='white-space: pre-wrap'>")
     width: parent ? parent.width : undefined
     height: isReply ? Math.round(Math.min(timelineRoot.height / 8, implicitHeight)) : undefined
-    clip: true
+    clip: isReply
     font.pointSize: (Settings.enlargeEmojiOnlyMessages && model.data.isOnlyEmoji > 0 && model.data.isOnlyEmoji < 4) ? Settings.fontSize * 3 : Settings.fontSize
 }