fix(outpatientCharging): 修复个人账户支付逻辑

- 当个人余额大于等于当次费用时，优先使用个人余额支付
- 当个人余额小于当次费用时，使用个人余额的剩余部分支付
- 移除了不必要的将个人支付设置为 0 的逻辑

src/views/jiesuan/outpatientCharging.vue

@@ -2538,14 +2538,14 @@ export default {
                         if (this.bxxxinfo.personal_balance >= djf) {
                             this.bxxxinfo.grzhzf = djf
                              if (this.bxxxinfo.personal_pay_syd * 1 != 0) {
-                                 this.bxxxinfo.grzhzf = 0
+                                 this.bxxxinfo.grzhzf = this.bxxxinfo.personal_pay_syd
 
                              }
                         }
                         if (this.bxxxinfo.personal_balance < djf) {
                             this.bxxxinfo.grzhzf = this.bxxxinfo.personal_balance
                               if (this.bxxxinfo.personal_pay_syd * 1 != 0) {
-                                 this.bxxxinfo.grzhzf = 0
+                                 this.bxxxinfo.grzhzf = this.bxxxinfo.personal_pay_syd
                              }
                             // if (this.form.insurance_type == 'LONGDISTANCE') {
                             //     this.bxxxinfo.grzhzf = 0