Resolve custom-event-name-casing lint warnings

Signed-off-by: Sukanya Pandey <sukapan1@in.ibm.com>
Change-Id: I9eea4eac3b8cacc216fc9ad1011e51622622e75f
diff --git a/src/views/Overview/Overview.vue b/src/views/Overview/Overview.vue
index 1313860..4de94d7 100644
--- a/src/views/Overview/Overview.vue
+++ b/src/views/Overview/Overview.vue
@@ -143,13 +143,13 @@
   created() {
     this.startLoader();
     const quicklinksPromise = new Promise((resolve) => {
-      this.$root.$on('overview::quicklinks::complete', () => resolve());
+      this.$root.$on('overview-quicklinks-complete', () => resolve());
     });
     const networkPromise = new Promise((resolve) => {
-      this.$root.$on('overview::network::complete', () => resolve());
+      this.$root.$on('overview-network-complete', () => resolve());
     });
     const eventsPromise = new Promise((resolve) => {
-      this.$root.$on('overview::events::complete', () => resolve());
+      this.$root.$on('overview-events-complete', () => resolve());
     });
     Promise.all([
       this.$store.dispatch('system/getSystem'),