emoji: fix background color

- isEmojiOnly changed to message containing only an emoji, not an edit or reply.
- adapted size

GitLab: #957

Change-Id: I78388a406a2a0b9c93f1c291850062fd9bf04a54

src/app/commoncomponents/TextMessageDelegate.qml

@@ -78,7 +78,7 @@ SBSMessageBase {
 
             wrapMode: Label.WrapAtWordBoundaryOrAnywhere
             selectByMouse: true
-            font.pixelSize: isEmojiOnly? JamiTheme.chatviewEmojiSize : JamiTheme.chatviewFontSize
+            font.pixelSize: isEmojiOnly? JamiTheme.chatviewEmojiSize : JamiTheme.emojiBubbleSize
             font.hintingPreference: Font.PreferNoHinting
             renderType: Text.NativeRendering
             textFormat: Text.MarkdownText

src/libclient/messagelistmodel.cpp

@@ -479,7 +479,8 @@ MessageListModel::dataForItem(item_t item, int, int role) const
     case Role::Readers:
         return QVariant(messageToReaders_[item.first]);
     case Role::IsEmojiOnly:
-        return QVariant(isOnlyEmoji(item.second.body));
+        return QVariant(replyId.isEmpty() && item.second.previousBodies.isEmpty()
+                        && isOnlyEmoji(item.second.body));
     case Role::Reactions:
         return QVariant(item.second.reactions);
     default: