tests: add a template Info.plist that uses the whole screen

The OS uses the presence of the UILaunchScreen key to determine whether to display the application in compatibility mode or display using the whole screen.

Xcode/SDLTest/config.xcconfig

@@ -10,5 +10,7 @@
 // This allows you to set DEVELOPMENT_TEAM for all targets, for example.
 #include? "build.xcconfig"
 
+INFOPLIST_FILE = test-Info.plist
+
 CONFIG_FRAMEWORK_LDFLAGS = -lSDL3_test
 

Xcode/SDLTest/test-Info.plist

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UILaunchScreen</key>
+	<dict>
+		<key>UIColorName</key>
+		<string></string>
+		<key>UIImageName</key>
+		<string></string>
+	</dict>
+</dict>
+</plist>