adjusted Image, Spinner, ChatLineContentProxy vOffset

src/chatlog/chatlinecontentproxy.cpp

@@ -42,7 +42,7 @@ void ChatLineContentProxy::paint(QPainter *painter, const QStyleOptionGraphicsIt
 
 qreal ChatLineContentProxy::firstLineVOffset() const
 {
-    return proxy->widget()->layout()->contentsMargins().top() + proxy->widget()->layout()->contentsMargins().bottom();
+    return proxy->widget()->layout()->contentsMargins().top();
 }
 
 void ChatLineContentProxy::setWidth(qreal width)

src/chatlog/content/image.cpp

@@ -36,7 +36,7 @@ QRectF Image::boundingSceneRect() const
 
 qreal Image::firstLineVOffset() const
 {
-    return size.height() / 4.0;
+    return 0.0;
 }
 
 void Image::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)

src/chatlog/content/spinner.cpp

@@ -72,7 +72,7 @@ void Spinner::visibilityChanged(bool visible)
 
 qreal Spinner::firstLineVOffset() const
 {
-    return size.height() / 4.0;
+    return 0.0;
 }
 
 void Spinner::timeout()