Add default or empty table state

-Add appropriate empty text for the table.
-Add common default empty state for all tables.

Signed-off-by: Suren Neware <sneware9@in.ibm.com>
Change-Id: If4beabc0b1450718095757bbb0803335ccf83ec5
diff --git a/src/views/AccessControl/SslCertificates/SslCertificates.vue b/src/views/AccessControl/SslCertificates/SslCertificates.vue
index aeb547d..5727595 100644
--- a/src/views/AccessControl/SslCertificates/SslCertificates.vue
+++ b/src/views/AccessControl/SslCertificates/SslCertificates.vue
@@ -53,7 +53,13 @@
     </b-row>
     <b-row>
       <b-col xl="11">
-        <b-table responsive="md" :fields="fields" :items="tableItems">
+        <b-table
+          responsive="md"
+          show-empty
+          :fields="fields"
+          :items="tableItems"
+          :empty-text="$t('global.table.emptyMessage')"
+        >
           <template v-slot:cell(validFrom)="{ value }">
             {{ value | formatDate }}
           </template>