sdbusplus: object: don't use 'bool' argument constructor

`sdbusplus::server::object_t` has long had an enum-based parameter for
signal action, but maintained a backwards compatible boolean mapping.
It is time to remove this boolean to make it more observable which
actions are being used in applications.  Map all `true` occurrences to
`action::defer_emit`.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ied6d1b6116b07a8f73b398a098298f4990b24818
diff --git a/phosphor-power-sequencer/src/power_control.cpp b/phosphor-power-sequencer/src/power_control.cpp
index 9ed3878..78a1d74 100644
--- a/phosphor-power-sequencer/src/power_control.cpp
+++ b/phosphor-power-sequencer/src/power_control.cpp
@@ -42,7 +42,7 @@
 
 PowerControl::PowerControl(sdbusplus::bus::bus& bus,
                            const sdeventplus::Event& event) :
-    PowerObject{bus, POWER_OBJ_PATH, true},
+    PowerObject{bus, POWER_OBJ_PATH, PowerObject::action::defer_emit},
     bus{bus}, device{std::make_unique<PowerSequencerMonitor>(bus)},
     match{bus,
           sdbusplus::bus::match::rules::interfacesAdded() +