新增「设置 → 桌面歌词设置 → 暂停时降低歌词透明度」设置，默认启用（#2294）

src/common/types/app_setting.d.ts

@@ -340,6 +340,11 @@ declare global {
        */
       'desktopLyric.fullscreenHide': boolean
 
+      /**
+       * 是否在暂停时隐藏歌词
+       */
+      'desktopLyric.pauseHide': boolean
+
       /**
        * 桌面歌词窗口宽度
        */

src/common/types/desktop_lyric.d.ts

@@ -6,6 +6,7 @@ declare namespace LX {
       'desktopLyric.isAlwaysOnTop': LX.AppSetting['desktopLyric.isAlwaysOnTop']
       'desktopLyric.isAlwaysOnTopLoop': LX.AppSetting['desktopLyric.isAlwaysOnTopLoop']
       'desktopLyric.isShowTaskbar': LX.AppSetting['desktopLyric.isShowTaskbar']
+      'desktopLyric.pauseHide': LX.AppSetting['desktopLyric.pauseHide']
       'desktopLyric.audioVisualization': LX.AppSetting['desktopLyric.audioVisualization']
       'desktopLyric.width': LX.AppSetting['desktopLyric.width']
       'desktopLyric.height': LX.AppSetting['desktopLyric.height']