Update reveal password icon.

Riot/Assets/Images.xcassets/Common/reveal_password_button.imageset/Contents.json

@@ -1,23 +1,26 @@
 {
   "images" : [
     {
-      "idiom" : "universal",
       "filename" : "reveal_password_button.png",
+      "idiom" : "universal",
       "scale" : "1x"
     },
     {
-      "idiom" : "universal",
       "filename" : "reveal_password_button@2x.png",
+      "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "idiom" : "universal",
       "filename" : "reveal_password_button@3x.png",
+      "idiom" : "universal",
       "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "template-rendering-intent" : "template"
   }
-}
+}