fix more push vs emplace calls

It seems like clang-tidy doesn't catch every place that an emplace could
be used instead of a push.  Use a few grep/sed pairs to find and fix up
some common patterns.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I93eaec26b8e3be240599e92b66cf54947073dc4c
diff --git a/redfish-core/lib/roles.hpp b/redfish-core/lib/roles.hpp
index c982347..a3382e8 100644
--- a/redfish-core/lib/roles.hpp
+++ b/redfish-core/lib/roles.hpp
@@ -139,7 +139,7 @@
                     nlohmann::json::object_t member;
                     member["@odata.id"] = crow::utility::urlFromPieces(
                         "redfish", "v1", "AccountService", "Roles", role);
-                    memberArray.push_back(std::move(member));
+                    memberArray.emplace_back(std::move(member));
                 }
             }
             asyncResp->res.jsonValue["Members@odata.count"] =