sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines.  Possible replacements are for:
  * bus_t
  * exception_t
  * manager_t
  * match_t
  * message_t
  * object_t
  * slot_t

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I9029cc722e7712633c15436bd3868d8c3209f567
diff --git a/control/json/fan.cpp b/control/json/fan.cpp
index cf5a7e3..b9c5a58 100644
--- a/control/json/fan.cpp
+++ b/control/json/fan.cpp
@@ -103,7 +103,7 @@
                 _bus, sensor.second, sensor.first, _interface,
                 FAN_TARGET_PROPERTY, std::move(value));
         }
-        catch (const sdbusplus::exception::exception&)
+        catch (const sdbusplus::exception_t&)
         {
             throw util::DBusPropertyError{
                 fmt::format("Failed to set target for fan {}", _name).c_str(),