Fix select rtl

sass/form/select.sass

@@ -9,12 +9,12 @@
     &::after
       @extend %arrow
       border-color: $input-arrow
-      right: 1.125em
+      +ltr-position(1.125em)
       z-index: 4
   &.is-rounded
     select
       border-radius: $radius-rounded
-      padding-left: 1em
+      +ltr-property("padding", 1em, false)
   select
     @extend %input
     cursor: pointer
@@ -28,7 +28,7 @@
     fieldset[disabled] &:hover
       border-color: $input-disabled-border-color
     &:not([multiple])
-      padding-right: 2.5em
+      +ltr-property("padding", 2.5em)
     &[multiple]
       height: auto
       padding: 0
@@ -74,7 +74,7 @@
       @extend %loader
       margin-top: 0
       position: absolute
-      right: 0.625em
+      +ltr-position(0.625em)
       top: 0.625em
       transform: none
     &.is-small:after