Updated setreg to reference new splashscreen name

Signed-off-by: Gene Walters <[email protected]>

Registry/splash_screen.setreg

@@ -6,7 +6,7 @@
                 "SplashScreenEnable": true,
                 "SplashScreen": {
                     "$type": "AZ::Render::SplashScreenSettings",
-                    "ImagePath" : "UICanvases/SplashScreen/spashscreen.jpg.streamingimage",
+                    "ImagePath" : "UICanvases/SplashScreen/splashscreen.jpg.streamingimage",
                     "DurationSeconds" : 5.0,
                     "Fading" : true
                 }