Use more adapted delegate for showing emote (/me)

Now use a standard MessageDelegate and don't display the title part.
This now make the reply and reaction button available and also make it
possible to see the reactions.

Fix: #69
Fix: #75

imports/NeoChat/Component/Timeline/MessageDelegate.qml

@@ -27,6 +27,7 @@ RowLayout {
     readonly property color replyAuthorColor: replyVisible ? reply.author.color : Kirigami.Theme.focusColor
 
     property alias mouseArea: controlContainer.children
+    property bool isEmote: false
 
     signal saveFileAs()
     signal openExternally()
@@ -90,7 +91,7 @@ RowLayout {
                     Layout.fillWidth: true
                     topInset: 0
 
-                    visible: showAuthor
+                    visible: showAuthor && !isEmote
 
                     text: author.displayName
                     font.bold: true
@@ -98,7 +99,7 @@ RowLayout {
                     wrapMode: Text.Wrap
                 }
                 QQC2.Label {
-                    visible: showAuthor
+                    visible: showAuthor && !isEmote
                     text: time.toLocaleTimeString(Locale.ShortFormat)
                     color: Kirigami.Theme.disabledTextColor
                 }

imports/NeoChat/Component/Timeline/TextDelegate.qml

@@ -11,12 +11,13 @@ import org.kde.kirigami 2.4 as Kirigami
 TextEdit {
     id: contentLabel
 
-    text: "<style>pre {white-space: pre-wrap} a{color: " + Kirigami.Theme.linkColor + ";} .user-pill{}</style>" + display
-
-    color: Kirigami.Theme.textColor
-
     readonly property var isEmoji: /^(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])+$/
 
+    property bool isEmote: false
+
+    text: "<style>pre {white-space: pre-wrap} a{color: " + Kirigami.Theme.linkColor + ";} .user-pill{}</style>" + (isEmote ? "* <a href='https://matrix.to/#/" + author.id + "' style='color: " + author.color + "'>" + author.displayName + "</a> " : "") + display
+
+    color: Kirigami.Theme.textColor
     font.pointSize: isEmoji.test(message) ? Kirigami.Theme.defaultFont.pointSize * 4 : Kirigami.Theme.defaultFont.pointSize
     selectByMouse: !Kirigami.Settings.isMobile
     readOnly: true