Added sys_assert level 3 which will make asserts to crash the application(#208)

Co-authored-by: aljanru <aljanru@amazon.com>

Code/CryEngine/CrySystem/SystemInit.cpp

@@ -4094,6 +4094,7 @@ void CSystem::CreateSystemVars()
         "0 = Suppress Asserts\n"
         "1 = Log Asserts\n"
         "2 = Show Assert Dialog\n"
+        "3 = Crashes the Application on Assert\n"
         "Note: when set to '0 = Suppress Asserts', assert expressions are still evaluated. To turn asserts into a no-op, undefine AZ_ENABLE_TRACING and recompile.",
         OnAssertLevelCvarChanged);
     CSystem::SetAssertLevel(defaultAssertValue);

Code/Framework/AzCore/AzCore/Debug/Trace.cpp

@@ -70,6 +70,7 @@ namespace AZ
     static const char* logVerbosityUID = "sys_LogLevel";
     static const int assertLevel_log = 1;
     static const int assertLevel_nativeUI = 2;
+    static const int assertLevel_crash = 3;
     static const int logLevel_errorWarning = 1;
     static const int logLevel_full = 2;
     static AZ::EnvironmentVariable<AZStd::unordered_set<size_t>> g_ignoredAsserts;
@@ -289,8 +290,8 @@ namespace AZ
             }
             
 #if AZ_ENABLE_TRACE_ASSERTS
-            //display native UI dialogs at verbosity level 2 or higher
-            if (currentLevel >= assertLevel_nativeUI)
+            //display native UI dialogs at verbosity level 2
+            if (currentLevel == assertLevel_nativeUI)
             {
                 AZ::NativeUI::AssertAction buttonResult;
                 EBUS_EVENT_RESULT(buttonResult, AZ::NativeUI::NativeUIRequestBus, DisplayAssertDialog, dialogBoxText);
@@ -314,7 +315,13 @@ namespace AZ
                     break;
                 }
             }
+            else
 #endif //AZ_ENABLE_TRACE_ASSERTS
+            // Crash the application directly at assert level 3
+            if (currentLevel >= assertLevel_crash)
+            {
+                AZ_Crash();
+            }
         }
         g_alreadyHandlingAssertOrFatal = false;
     }

Gems/ImGui/Code/Source/LYCommonMenu/ImGuiLYCommonMenu.cpp

@@ -539,8 +539,8 @@ namespace ImGui
                     {
                         int assertLevelValue = gAssertLevelCVAR->GetIVal();
                         int dragIntVal = assertLevelValue;
-                        ImGui::Text("sys_asserts: %d ( 0-off | 1-log | 2-popup )", assertLevelValue);
-                        ImGui::SliderInt("##sys_asserts", &dragIntVal, 0, 2);
+                        ImGui::Text("sys_asserts: %d ( 0-off | 1-log | 2-popup | 3-crash )", assertLevelValue);
+                        ImGui::SliderInt("##sys_asserts", &dragIntVal, 0, 3);
                         if (dragIntVal != assertLevelValue)
                         {
                             gAssertLevelCVAR->Set(dragIntVal);