SUP-2839, Profile: # of wins in summary does not match winning challenges shown on Profile

-- Implemented code review suggestions.

Author: vikasrohit

app/directives/challenge-tile/challenge-tile.jade

@@ -57,13 +57,13 @@
       .challenge-details(ng-switch-when="DEVELOP")
         dev-challenge-user-place(challenge="challenge", view="view", ng-hide="challenge.isPrivate")
         .invite-only-banner(ng-show="challenge.isPrivate")
-          img(src=require("../../../assets/images/ico-invite-only-prj.svg"))
+          img(ng-src=require("../../../assets/images/ico-invite-only-prj.svg"))
           span INVITE-ONLY CHALLENGE
 
       .challenge-details(ng-switch-when="DESIGN")
         design-challenge-user-place(challenge="challenge", view="view", ng-hide="challenge.isPrivate")
         .invite-only-banner(ng-show="challenge.isPrivate")
-          img(src=require("../../../assets/images/ico-invite-only-prj.svg"))
+          img(ng-src=require("../../../assets/images/ico-invite-only-prj.svg"))
           span INVITE-ONLY CHALLENGE
 
       // Only show if not data science track

app/directives/challenge-user-place/design-challenge-user-place.jade

@@ -6,9 +6,9 @@
 
   .thumbnail(ng-click="!challenge.isPrivate && imageURL && openLightbox()", ng-class="{hidden: challenge.userStatus !== 'PASSED_REVIEW'}")
     img(ng-show="challenge.submissionViewable && imageURL", ng-src="{{imageURL}}")
-    img(ng-show="challenge.submissionViewable && !imageURL", ng-src="../../../assets/images/card-bg-no-image.svg")
+    img(ng-show="challenge.submissionViewable && !imageURL", ng-src=require("../../../assets/images/card-bg-no-image.svg"))
     .private-challenge-banner(ng-show="!challenge.submissionViewable")
-      img(src=require("../../../assets/images/ico-private-prj.svg"))
+      img(ng-src=require("../../../assets/images/ico-private-prj.svg"))
       span PRIVATE CHALLENGE
 
     .thumbnail-gallery(ng-show="numImages", ng-click="!challenge.isPrivate && imageURL && openLightbox()")
@@ -31,9 +31,9 @@
 
   .thumbnail(ng-click="!challenge.isPrivate && imageURL && openLightbox()", ng-class="{hidden: challenge.userStatus !== 'PASSED_REVIEW'}")
     img(ng-show="challenge.submissionViewable && imageURL", ng-src="{{imageURL}}")
-    img(ng-show="challenge.submissionViewable && !imageURL", ng-src="../../../assets/images/card-bg-no-image.svg")
+    img(ng-show="challenge.submissionViewable && !imageURL", ng-src=require("../../../assets/images/card-bg-no-image.svg"))
     .private-challenge-banner(ng-show="!challenge.submissionViewable")
-      img(src=require("../../../assets/images/ico-private-prj.svg"))
+      img(ng-src=require("../../../assets/images/ico-private-prj.svg"))
 
     .thumbnail-gallery(ng-show="numImages", ng-click="!challenge.isPrivate && imageURL && openLightbox()")
       .gallery-icon