Fix iinverse mempool graph also affect the TV view (#580)

frontend/src/app/components/statistics/chartist.component.scss

@@ -1,11 +1,11 @@
-.ct-legend{
+.ct-legend {
     top: 130px;
     display: flex;
     flex-direction: column-reverse;
     @media (min-width: 653px) {
         top: 90px;
     }
-}
-.ct-legend.inverted{
-    flex-direction: column;
-}
+  }
+  .ct-legend.inverted {
+    flex-direction: column !important;
+  }