[valve] Fix ControlAction trigger args with reference types (#16223)

tests/components/template/common-base.yaml

@@ -356,6 +356,19 @@ number:
     min_value: 0
     max_value: 100
     step: 1
+  # Exercise valve.control inside a trigger with non-empty Ts (number on_value
+  # passes float).
+  - platform: template
+    id: template_valve_position_number
+    optimistic: true
+    min_value: 0
+    max_value: 100
+    step: 1
+    on_value:
+      then:
+        - valve.control:
+            id: template_valve
+            position: !lambda "return x / 100.0f;"
 
 select:
   - platform: template