MT#64501 Subscriber phonebook default filter

- Add filter by name as a default search criteria for subscriber
phonebook

Change-Id: I5248f098d9b5ae9e792222f6e185695aa150e8ab
(cherry picked from commit 45131fd432)

src/components/pages/SubscriberPhonebook/CscSubscriberFilters.vue

@@ -82,7 +82,7 @@ export default {
     emits: ['filter'],
     data () {
         return {
-            filterType: null,
+            filterType: 'name',
             typedFilter: '',
             filters: []
         }