Added toast notification for identify LEDs

- Added success toast notification messages for identify
  LEDs present at Inventory and LEDs page and Overview.

- Import of Toast was not present in Overview's Inventory
  card and DIMM slot table, fixed it.

Signed-off-by: Nikhil Ashoka <a.nikhil@ibm.com>
Change-Id: If9ad84e66f6f15616cb8af51b1e84d8d06b1afd0
diff --git a/src/views/HardwareStatus/Inventory/InventoryTableBmcManager.vue b/src/views/HardwareStatus/Inventory/InventoryTableBmcManager.vue
index 48b914f..cf3ee2b 100644
--- a/src/views/HardwareStatus/Inventory/InventoryTableBmcManager.vue
+++ b/src/views/HardwareStatus/Inventory/InventoryTableBmcManager.vue
@@ -233,6 +233,7 @@
           uri: row.uri,
           identifyLed: row.identifyLed,
         })
+        .then((message) => this.successToast(message))
         .catch(({ message }) => this.errorToast(message));
     },
     // TO DO: remove hasIdentifyLed method once the following story is merged: