net: perform the associated reconnect inside reconnect_hint instead o…

…f outside

This allows session dervied classes more flexibility in implementation,
for example skipping a disconnect if the session is already
disconnected.

This also means that the only explicit call of reconnect on a
session_impl is now from session::exception_handler.

src/ga_rust.cpp

@@ -103,6 +103,7 @@ namespace sdk {
         }
         GDK_LOG_SEV(log_level::info) << "reconnect_hint: " << (enable ? "enable" : "disable");
         m_reconnect_restart = enable;
+        reconnect();
     }
 
     nlohmann::json ga_rust::call_session(const std::string& method, const nlohmann::json& input) const

src/session.cpp

@@ -219,7 +219,6 @@ namespace sdk {
         exception_wrapper([&] {
             auto p = get_nonnull_impl();
             p->reconnect_hint(hint);
-            p->reconnect();
         });
     }