Fixed bias positioning logic

Bias positioning was calculated even when it was unnecessary. E.g. if available height is sufficient then we can just show the dialog based on the bias. However, this wasn't tested in the current code which always checked if there's more room for horizontally vs. vertically.

CodenameOne/src/com/codename1/components/InteractionDialog.java

@@ -761,11 +761,11 @@ public void showPopupDialog(Rectangle rect, boolean bias) {
 
         // if we don't have enough space then disregard device orientation
         if(showPortrait) {
-            if(availableHeight < (availableWidth - rect.getWidth()) / 2) {
+            if(availableHeight < prefHeight && availableHeight < (availableWidth - rect.getWidth()) / 2) {
                 showPortrait = false;
             }
         } else {
-            if(availableHeight / 2 > availableWidth - rect.getWidth()) {
+            if(availableWidth < prefWidth && availableHeight / 2 > availableWidth - rect.getWidth()) {
                 showPortrait = true;
             }
         }