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: Ic63a70d32f4683e0bd92b625cc36c836aa8395a8
diff --git a/interface_ops.hpp b/interface_ops.hpp
index 98b0ffb..8806fdc 100644
--- a/interface_ops.hpp
+++ b/interface_ops.hpp
@@ -47,7 +47,7 @@
 template <typename T, typename Enable = void>
 struct MakeInterface
 {
-    static std::any op(sdbusplus::bus::bus& bus, const char* path,
+    static std::any op(sdbusplus::bus_t& bus, const char* path,
                        const Interface&, bool)
     {
         return std::any(std::make_shared<T>(bus, path));
@@ -57,7 +57,7 @@
 template <typename T>
 struct MakeInterface<T, std::enable_if_t<HasProperties<T>::value>>
 {
-    static std::any op(sdbusplus::bus::bus& bus, const char* path,
+    static std::any op(sdbusplus::bus_t& bus, const char* path,
                        const Interface& props, bool deferSignal)
     {
         using InterfaceVariant =