Fix styling for TableRowAction button

Padding was off for buttons in the TableRowAction component
because of specificity issues.

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I0b11bce612c4e1fe9b07a3ca8e33febf57f944e0
diff --git a/src/components/Global/TableRowAction.vue b/src/components/Global/TableRowAction.vue
index c8d2d0c..da936b6 100644
--- a/src/components/Global/TableRowAction.vue
+++ b/src/components/Global/TableRowAction.vue
@@ -33,7 +33,7 @@
 </script>
 
 <style lang="scss" scoped>
-.btn {
+.btn.btn-link {
   padding-top: 0;
   padding-bottom: 0;
 }