fix: table slot type optimization (#7288)

components/table/Table.tsx

@@ -654,17 +654,14 @@ const Table = defineComponent({
     summary?: any;
     expandedRowRender?: any;
     expandColumnTitle?: any;
-    bodyCell?: {
+    bodyCell?: (props: {
       text: any;
       value: any;
       record: Record<string, any>;
       index: number;
       column: ColumnType;
-    };
-    headerCell?: {
-      title: any;
-      column: ColumnType;
-    };
+    }) => void;
+    headerCell?: (props: { title: any; column: ColumnType }) => void;
     customFilterIcon?: any;
     customFilterDropdown?: any;
     default: any;