fix(unicloud-db): 某些情况下 修改page-size后组件内部不生效的问题

packages/uni-cli-shared/components/unicloud-db.vue

@@ -178,12 +178,14 @@ export default {
       })
       return al
     }, (newValue, oldValue) => {
+      this.paginationInternal.size = this.pageSize
+      if (newValue[0] !== oldValue[0]) {
+        this.paginationInternal.current = this.pageCurrent
+      }
       if (this.loadtime === loadMode.manual) {
         return
       }
 
-      this.paginationInternal.size = this.pageSize
-
       let needReset = false
       for (let i = 2; i < newValue.length; i++) {
         if (newValue[i] !== oldValue[i]) {
@@ -195,9 +197,6 @@ export default {
         this.clear()
         this.reset()
       }
-      if (newValue[0] !== oldValue[0]) {
-        this.paginationInternal.current = this.pageCurrent
-      }
 
       this._execLoadData()
     })