Fix miliseconds in date on Emscripten and skip SDL create process (unsupported)

Source/Engine/Platform/SDL/SDLPlatform.cpp

@@ -319,7 +319,7 @@ Window* SDLPlatform::CreateWindow(const CreateWindowSettings& settings)
     return New<SDLWindow>(settings);
 }
 
-#if !PLATFORM_WINDOWS
+#if !PLATFORM_WINDOWS && !PLATFORM_WEB
 
 bool ReadStream(SDL_IOStream*& stream, char* buffer, int64 bufferLength, int64& bufferPosition, LogType logType, CreateProcessSettings& settings)
 {

Source/Engine/Platform/SDL/SDLPlatform.h

@@ -91,7 +91,7 @@ public:
     static Rectangle GetMonitorBounds(const Float2& screenPos);
     static Rectangle GetVirtualDesktopBounds();
     static Window* CreateWindow(const CreateWindowSettings& settings);
-#if !PLATFORM_WINDOWS
+#if !PLATFORM_WINDOWS && !PLATFORM_WEB
     static int32 CreateProcess(CreateProcessSettings& settings);
 #endif
 };

Source/Engine/Platform/Web/WebPlatform.cpp

@@ -27,6 +27,7 @@
 namespace
 {
     CPUInfo Cpu;
+    double DateStart = emscripten_get_now();
 };
 
 void WebFileSystem::GetSpecialFolderPath(const SpecialFolder type, String& result)
@@ -117,7 +118,7 @@ void WebPlatform::GetSystemTime(int32& year, int32& month, int32& dayOfWeek, int
     hour = time.tm_hour;
     minute = time.tm_min;
     second = time.tm_sec;
-    millisecond = abs((int64)emscripten_get_now()) % 1000; // Fake it based on other timer
+    millisecond = (int64)(emscripten_get_now() - DateStart) % 1000; // Fake it based on other timer
 }
 
 void WebPlatform::GetUTCTime(int32& year, int32& month, int32& dayOfWeek, int32& day, int32& hour, int32& minute, int32& second, int32& millisecond)
@@ -136,7 +137,7 @@ void WebPlatform::GetUTCTime(int32& year, int32& month, int32& dayOfWeek, int32&
     hour = time.tm_hour;
     minute = time.tm_min;
     second = time.tm_sec;
-    millisecond = abs((int64)emscripten_get_now()) % 1000; // Fake it based on other timer
+    millisecond = (int64)(emscripten_get_now() - DateStart) % 1000; // Fake it based on other timer
 }
 
 #if !BUILD_RELEASE