Stop processing more actions after a terminal action (accept, abort, etc.)

test/test_filter.rb

@@ -299,4 +299,9 @@ class TestFilter < TestBase
       assert_equal expected, result
     end
   end
+
+  def test_abort_action_chain
+    assert_equal '1', `seq 100 | #{FZF} --bind 'load:accept+up+up'`.chomp
+    assert_equal '', `seq 100 | #{FZF} --bind 'load:abort+become(echo {})'`.chomp
+  end
 end