Add behaviour specific to the buy-gems popup.

views/shared/mixins.jade

@@ -1,6 +1,7 @@
 mixin gemButton(isGemsModal)
-  a.pull-right.gem-wallet(ng-click='openModal("buyGems",{track:"Gems > Wallet"})', popover-trigger='mouseenter', popover-title=env.t('gems'), popover=env.t('gemsWhatFor'), popover-placement='bottom')
-    span.task-action-btn.tile.flush.bright.add-gems-btn ＋
+  a.pull-right.gem-wallet(ng-click=( isGemsModal ? '' : 'openModal("buyGems",{track:"Gems > Wallet"})'), popover-trigger='mouseenter', popover-title=env.t('gems'), popover=env.t('gemsWhatFor'), popover-placement='bottom')
+    if !isGemsModal
+      span.task-action-btn.tile.flush.bright.add-gems-btn ＋
     span.task-action-btn.tile.flush.neutral
       .Pet_Currency_Gem2x.Gems
       | {{user.balance * 4 | number:0}} 

views/shared/modals/buy-gems.jade

@@ -1,7 +1,7 @@
 script(id='modals/buyGems.html', type='text/ng-template')
   .modal-body
     .buy-gems
-      +gemButton
+      +gemButton(true)
       .well
         h3=env.t('buyGems')
         table.table