fix(footer.less): Footer column width now matches header column width.

Removed flex-direction attribute which was causing issues.

fix angular-ui#6654

Author: Portugal, Marcelo

src/less/footer.less

@@ -30,7 +30,6 @@
 .ui-grid-footer-viewport,
 .ui-grid-footer-canvas {
   display: flex;
-  flex-direction: column;
   flex: 1 1 auto;
   height: 100%;
 }