fix(VAutocomplete): don't try to reset search on blur if multiple

fixes #13877

Author: KaelWD

packages/vuetify/src/components/VAutocomplete/VAutocomplete.ts

@@ -410,14 +410,18 @@ export default VSelect.extend({
       })
     },
     updateSelf () {
-      if (!this.searchIsDirty &&
+      if (
+        !this.searchIsDirty &&
         !this.internalValue
       ) return
 
-      if (!this.valueComparator(
-        this.internalSearch,
-        this.getValue(this.internalValue)
-      )) {
+      if (
+        !this.multiple &&
+        !this.valueComparator(
+          this.internalSearch,
+          this.getValue(this.internalValue)
+        )
+      ) {
         this.setSearch()
       }
     },