Add table responsive layout and fix search icon visibility

-Add responsive layout for all the tables.
-Fix search icon visibility in search component.

Signed-off-by: Suren Neware <sneware9@in.ibm.com>
Change-Id: Ibb4f77cf322aeb3699b13ab6cbbdb6cc38efbdc4
diff --git a/src/views/Overview/OverviewEvents.vue b/src/views/Overview/OverviewEvents.vue
index 2c39cc3..5c86263 100644
--- a/src/views/Overview/OverviewEvents.vue
+++ b/src/views/Overview/OverviewEvents.vue
@@ -8,7 +8,7 @@
         variant="link"
         to="/health/event-logs"
         data-test-id="overviewEvents-button-eventLogs"
-        class="float-right"
+        class="float-md-right"
       >
         {{ $t('pageOverview.events.viewAllButton') }}
       </b-button>
@@ -16,7 +16,7 @@
         per-page="5"
         sort-by="date"
         sort-desc
-        stacked="sm"
+        responsive="md"
         :items="eventLogData"
         :fields="fields"
       >