Title:fix the add button should be centered horizontally with the title

of "my playlist"

Description:【音乐】【6.0.0.7】【UI】添加按钮要跟“我的歌单”标题水平居中

RootCause:Null

Solution:

src/music-player/view/musiclistscrollarea.cpp

@@ -87,7 +87,7 @@ MusicListScrollArea::MusicListScrollArea(QWidget *parent) : DScrollArea(parent)
     customizeLayout->setContentsMargins(0, 0, 5, 0);
     customizeLayout->addWidget(customizeLabel, 100, Qt::AlignLeft);
     customizeLayout->addStretch();
-    customizeLayout->addWidget(m_addListBtn, 0, Qt::AlignRight);
+    customizeLayout->addWidget(m_addListBtn, 0, Qt::AlignBottom);
 
     m_dataBaseListview = new MusicListView;
     m_dataBaseListview->setEditTriggers(QAbstractItemView::NoEditTriggers);