fix(button): fixed target area size for all button sizes.

Author: joselrio

core/src/components/button/button.ionic.scss

@@ -19,7 +19,7 @@
     position: absolute;
 
     height: 100%;
-    min-height: globals.$ion-scale-1200;
+    min-height: inherit;
 
     transform: translateY(-50%);