feat(tooltip): add delay to tooltips for improved usability

Author: rohitpaulk

app/components/course-page/course-stage-step/community-solution-card/feedback-section.hbs

@@ -26,7 +26,7 @@
         </span>
       </div>
 
-      <EmberTooltip @text="Your feedback helps us surface better examples." @side="bottom" />
+      <EmberTooltip @text="Your feedback helps us surface better examples." @side="bottom" @delay={{250}} />
     </TertiaryButton>
     <TertiaryButton
       {{on "click" this.handleDownvoteButtonClick}}
@@ -40,7 +40,7 @@
         </span>
       </div>
 
-      <EmberTooltip @text="Your feedback helps us identify examples that need review." @side="bottom" />
+      <EmberTooltip @text="Your feedback helps us identify examples that need review." @side="bottom" @delay={{250}} />
     </TertiaryButton>
   </div>
 </div>