Revert table-cell back to inline-block at my-cards-list-wrapper.

Thanks to jrsupplee and xet7 !

Fixes #1667,
related https://github.com/wekan/wekan/pull/3469

client/components/main/myCards.styl

@@ -43,7 +43,7 @@
   border-radius: 5px
   padding: 1.5rem
   padding-top: 0.75rem
-  display: table-cell
+  display: inline-block
   min-width: 250px
   max-width: 350px