LT-239: Handle the error if the last imported file is not dcm file

- Add message label in progress dialog

Packages/viewerbase/client/components/basic/progressDialog/progressDialog.styl

@@ -7,7 +7,7 @@
   right: 0
   margin: auto
   width: 20%
-  height: 15%
+  height: 20%
   z-index: 100
   border-radius: 5px
   padding: 10px 20px 10px 20px
@@ -16,3 +16,10 @@
 
   .dialogContent
     margin-bottom: 20px
+
+    #message
+      width: 100%
+
+      span
+        display: inline-block;
+        width: 100%