set flex direction for grid align

src/definitions/collections/grid.less

@@ -1232,6 +1232,7 @@
 .ui.grid > .row > [class*="top aligned"].column {
   vertical-align: top;
   display: inline-flex !important;
+  flex-direction: column;
   align-items: flex-start !important;
 }
 
@@ -1242,6 +1243,7 @@
 .ui.grid > .row > [class*="middle aligned"].column {
   vertical-align: middle;
   display: inline-flex !important;
+  flex-direction: column;
   align-items: center !important;
 }
 
@@ -1252,6 +1254,7 @@
 .ui.grid > .row > [class*="bottom aligned"].column {
   vertical-align: bottom;
   display: inline-flex !important;
+  flex-direction: column;
   align-items: flex-end !important;
 }