refine dynamic modal payload

Author: hunterliu1003

lib/PluginCore.js

@@ -32,15 +32,17 @@ function createVfm(options) {
               }
               modal = Object.assign(defaultModal, modal)
               const id = generateId()
-              const name = modal.bind.name || PREFIX + id
               this.dynamicModals.push(
                 shallowReactive({
                   value: true,
                   id,
                   ...modal,
                   component: modal.component,
                   slots: modal.slots,
-                  bind: { ...modal.bind, name },
+                  bind: {
+                    name: PREFIX + id,
+                    ...modal.bind
+                  },
                   params: args[0]
                 })
               )