Updated icons url and csv filename

Signed-off-by: Amit Kumar Das <amit@chaosnative.com>

workflows/sock-shop-cmdProbe/sock-shop-cmdProbe.chartserviceversion.yaml

@@ -43,5 +43,5 @@ spec:
     - name: Documentation
       url: https://docs.litmuschaos.io/docs/chaoshub/#generic-chaos
   icon:
-    - url:
-      mediatype: ""
+    - url: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/workflows/icons/sock-shop-cmdProbe.png
+      mediatype: image/png

workflows/sock-shop-promProbe/sock-shop-promProbe.chartserviceversion.yaml

@@ -43,5 +43,5 @@ spec:
     - name: Documentation
       url: https://docs.litmuschaos.io/docs/chaoshub/#generic-chaos
   icon:
-    - url:
-      mediatype: ""
+    - url: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/workflows/icons/sock-shop-promProbe.png
+      mediatype: image/png