Fix base prediction bar horizontal margin

Author: ricknout

Diff for: prediction/src/main/res/values/dimens.xml

@@ -2,7 +2,7 @@
 <resources>
 
     <!-- Match card padding + 8dp -->
-    <dimen name="margin_horizontal_prediction_bar">@dimen/spacing_standard</dimen>
+    <dimen name="margin_horizontal_prediction_bar">@dimen/spacing_double</dimen>
 
     <dimen name="size_add_prediction_button">32dp</dimen>