chore: Update danmuku plugin configuration handling and improve performance

packages/artplayer-plugin-danmuku/src/style.less

@@ -305,7 +305,16 @@
     .art-controls-center {
         .artplayer-plugin-danmuku {
             justify-content: flex-end;
-            gap: 20px;
+            gap: 18px;
+        }
+    }
+
+    &.art-fullscreen,
+    &.art-fullscreen-web {
+        .art-controls-center {
+            .artplayer-plugin-danmuku {
+                gap: 24px;
+            }
         }
     }
 }