Revert keeping whitespace in html, it breaks lists

resources/qml/delegates/TextMessage.qml

@@ -4,7 +4,7 @@ import im.nheko 1.0
 MatrixText {
     property string formatted: model.data.formattedBody
 
-    text: "<span style='white-space: pre-wrap'><style type=\"text/css\">a { color:" + colors.link + ";}\ncode { background-color: " + colors.alternateBase + ";}</style>" + formatted.replace("<pre>", "<pre style='white-space: pre-wrap; background-color: " + colors.alternateBase + "'>") + "</span>"
+    text: "<style type=\"text/css\">a { color:" + colors.link + ";}\ncode { background-color: " + colors.alternateBase + ";}</style>" + formatted.replace("<pre>", "<pre style='white-space: pre-wrap; background-color: " + colors.alternateBase + "'>")
     width: parent ? parent.width : undefined
     height: isReply ? Math.round(Math.min(timelineRoot.height / 8, implicitHeight)) : undefined
     clip: isReply