修复表格服务端分页导出数据不全问题

[nick2wang]

fix #2092
bootstrap-table-export在使用server端分页时不能自定义导出当前页面全部数据

修改前：
if ("all" === r.exportDataType && r.pagination) {
	var l = "server" === r.sidePagination ? "post-body.bs.table" : "post-change.bs.table",
		u = this.options.virtualScroll;
	this.$el.one(l, (function() {
		setTimeout((function() {
			c((function() {
				e.options.virtualScroll = u, e.togglePagination()
			}))
		}), 0)
	})), this.options.virtualScroll = !1, this.togglePagination(), this.trigger("export-saved", this.getData())
}

修改后：
if ("all" === r.exportDataType && r.pagination) {
	var u = this.options.virtualScroll;
	this.$el.one("post-change.bs.table", (function() {
		setTimeout((function() {
			c((function() {
				e.options.virtualScroll = u, e.togglePagination()
			}))
		}), 0)
	})), this.options.virtualScroll = !1, this.togglePagination(), this.trigger("export-saved", this.getData())
}

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (c873c38) 75.51% compared to head (1e2e622) 75.51%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2093   +/-   ##
=======================================
  Coverage   75.51%   75.51%           
=======================================
  Files         102      102           
  Lines       14906    14906           
=======================================
  Hits        11257    11257           
  Misses       3649     3649           

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[LeoQuote]

给这个项目也提个 pr 吧

[nick2wang]

给这个项目也提个 pr 吧

那边策略应该是限制服务端分页下载，我们这边用得少就直接改了