troubleshooter: log soft id (#436)

## Link to GitHub Issue, if one exists
n/a

## Description of change
Log soft ID (game datecode etc) at the top of auto-troubleshooter output

src/spice2x/avs/ea3.cpp

@@ -8,6 +8,7 @@
 #include "games/mfc/mfc.h"
 #include "hooks/avshook.h"
 #include "util/detour.h"
+#include "util/deferlog.h"
 #include "util/fileutils.h"
 #include "util/libutils.h"
 #include "util/logging.h"
@@ -568,6 +569,7 @@ namespace avs {
             soft_id_code << EA3_EXT;
             std::string soft_id_code_str = soft_id_code.str();
             log_info("avs-ea3", "soft id code: {}", soft_id_code_str);
+            deferredlogs::set_softid(soft_id_code_str);
 
             // set soft ID code
             avs::core::avs_std_setenv("/env/profile/soft_id_code", soft_id_code_str.c_str());

src/spice2x/util/deferlog.cpp

@@ -18,6 +18,14 @@ namespace deferredlogs {
     std::mutex deferred_errors_mutex;
     std::vector<std::vector<std::string>> deferred_errors;
 
+    std::mutex softid_mutex;
+    std::string softid;
+
+    void set_softid(const std::string& softid_new) {
+        std::lock_guard<std::mutex> lock(softid_mutex);
+        softid = softid_new;
+    }
+
     void defer_error_messages(std::initializer_list<std::string> messages) {
         std::lock_guard<std::mutex> lock(deferred_errors_mutex);
         deferred_errors.emplace_back(messages);
@@ -45,6 +53,17 @@ namespace deferredlogs {
             msg += "/-------------------------- spice2x auto-troubleshooter -----------------------\\\n";
             msg += "\n";
             msg += "  spice2x version: " + to_string(VERSION_STRING_CFG) + "\n";
+
+            // soft ID
+            {
+                std::lock_guard<std::mutex> lock(softid_mutex);
+                if (!softid.empty()) {
+                    msg += "  game version: " + softid + "\n";
+                } else {
+                    msg += "  game version: unknown\n";
+                }
+            }
+
             msg += "\n";
             
             if (is_crash) {

src/spice2x/util/deferlog.h

@@ -9,6 +9,7 @@ namespace deferredlogs {
     // some shared error messages
     extern const std::initializer_list<std::string> SUPERSTEP_SOUND_ERROR_MESSAGE;
 
+    void set_softid(const std::string& softid);
     void defer_error_messages(std::initializer_list<std::string> messages);
     void dump_to_logger(bool is_crash=false);
 }