Make stub log thread safe

src/dusk/imgui/ImGuiStubLog.cpp

@@ -1,4 +1,5 @@
 #include <vector>
+#include <mutex>
 
 #include "dusk/logging.h"
 #include "imgui.h"
@@ -9,6 +10,7 @@ namespace dusk {
     static ImGuiTextBuffer StubLogBuffer;
     static std::vector<int> LineOffsets;
     static bool StubLogPaused;
+    static std::mutex StubLogMutex;
 
     const char* LogLevelName(const AuroraLogLevel level) {
         switch (level) {
@@ -32,6 +34,8 @@ namespace dusk {
             return;
         }
 
+        std::lock_guard lock(StubLogMutex);
+
         LineOffsets.push_back(StubLogBuffer.size());
         const auto levelName = LogLevelName(level);
         StubLogBuffer.appendf("[%s | %s] %s\n", levelName, module, message);
@@ -40,6 +44,8 @@ namespace dusk {
     static void ClearPastFrame();
 
     void ImGuiMenuTools::ShowStubLog() {
+        std::lock_guard lock(StubLogMutex);
+
         if (!ImGuiConsole::CheckMenuViewToggle(ImGuiKey_F5, m_showStubLog)) {
             ClearPastFrame();
             return;