Port MessageSourceDialog to OverlaySheet

imports/NeoChat/Menu/Timeline/MessageSourceSheet.qml

@@ -0,0 +1,25 @@
+/**
+ * SPDX-FileCopyrightText: 2019 Black Hat <bhat@encom.eu.org>
+ * SPDX-FileCopyrightText: 2020 Tobias Fella <fella@posteo.de>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+
+import org.kde.kirigami 2.12 as Kirigami
+
+Kirigami.OverlaySheet {
+
+    property string sourceText
+
+    header: Kirigami.Heading {
+        text: i18n("Message Source")
+    }
+
+    Label {
+        text: sourceText
+        wrapMode: Text.WordWrap
+    }
+}
+