修复主屏容器在次页添加小组件会出现错位的bug

src/components/grid-container/gaia-container-child.ts

@@ -247,10 +247,10 @@ export default class GaiaContainerChild {
 
     const offsetTop = Math.abs(this.master.offsetTop)
     const offsetLeft = Math.abs(
-      this.master.offsetLeft - this.pagination * this.manager.pageHeight
+      this.master.offsetLeft - (this.master.parentElement?.offsetLeft ?? 0)
     )
-    const rowStart = Math.floor(offsetTop / this.manager.gridHeight) + 1
-    const columnStart = Math.floor(offsetLeft / this.manager.gridWidth) + 1
+    const rowStart = Math.round(offsetTop / this.manager.gridHeight) + 1
+    const columnStart = Math.round(offsetLeft / this.manager.gridWidth) + 1
 
     return [rowStart, columnStart]
   }