Fix bug in Overview endless loading

Bug description:
    Before this commit there was an endless loading
    on blue bar when user entering to the Overview.
    Problem was missing `if` statement
    after what that promise wasn't be able to finish.

Test:
    Step1. Launch webui on browser and see Overview page.
    Step2. Wait a while. Blue loading bar finished pulsing.

Change-Id: I2ea3b6f125ca24fcefeea8020c4a903ea018f4f7
Signed-off-by: Konstantin Maskov <sulwirld@gmail.com>
diff --git a/src/views/Overview/Overview.vue b/src/views/Overview/Overview.vue
index 9960f37..d999be4 100644
--- a/src/views/Overview/Overview.vue
+++ b/src/views/Overview/Overview.vue
@@ -85,8 +85,7 @@
       this.$root.$on('overview-server-complete', () => resolve());
     });
 
-    Promise.all([
-      dumpsPromise,
+    const promises = [
       eventsPromise,
       firmwarePromise,
       inventoryPromise,
@@ -94,7 +93,9 @@
       powerPromise,
       quicklinksPromise,
       serverPromise,
-    ]).finally(() => this.endLoader());
+    ];
+    if (this.showDumps) promises.push(dumpsPromise);
+    Promise.all(promises).finally(() => this.endLoader());
   },
 };
 </script>