use new services api to fetch chad/whale profile image

frontend/src/app/components/about/about.component.html

@@ -207,7 +207,7 @@
           <ng-container>
             <ng-template ngFor let-sponsor [ngForOf]="profiles.whales">
               <a [href]="'https://twitter.com/' + sponsor.username" target="_blank" rel="sponsored" [title]="sponsor.username">
-                <img class="image" [src]="'data:' + sponsor.image_mime + ';base64,' + sponsor.image" onError="this.src = '/resources/profile/unknown.svg'; this.className = 'image unknown'"/>
+                <img class="image" [src]="'/api/v1/services/account/image/' + sponsor.username + '?md5=' + sponsor.imageMd5" onError="this.src = '/resources/profile/unknown.svg'; this.className = 'image unknown'"/>
               </a>
             </ng-template>
           </ng-container>

frontend/src/resources/profile/unknown.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" data-v-4fa90e7f=""><path d="M14.33 7.17C13.588 7.058 12.807 7 12 7c-4.97 0-9 2.239-9 5 0 1.44 1.096 2.738 2.85 3.65l2.362-2.362a4 4 0 015.076-5.076l1.043-1.043zM11.23 15.926a4 4 0 004.695-4.695l2.648-2.647C20.078 9.478 21 10.68 21 12c0 2.761-4.03 5-9 5-.598 0-1.183-.032-1.749-.094l.98-.98zM17.793 5.207a1 1 0 111.414 1.414L6.48 19.35a1 1 0 11-1.414-1.414L17.793 5.207z"></path></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="lightgrey" data-v-4fa90e7f=""><path d="M14.33 7.17C13.588 7.058 12.807 7 12 7c-4.97 0-9 2.239-9 5 0 1.44 1.096 2.738 2.85 3.65l2.362-2.362a4 4 0 015.076-5.076l1.043-1.043zM11.23 15.926a4 4 0 004.695-4.695l2.648-2.647C20.078 9.478 21 10.68 21 12c0 2.761-4.03 5-9 5-.598 0-1.183-.032-1.749-.094l.98-.98zM17.793 5.207a1 1 0 111.414 1.414L6.48 19.35a1 1 0 11-1.414-1.414L17.793 5.207z"></path></svg>