Fix(iOS 12): fatal issues: dlopen, entitlement

* dlopening the main executable fails
* dlopening dylib fails due to codesign
* Installing PojavLauncher with AppSync causing
extended-virtual-addressing entitlement to be checked improperly

Current issue: it seems that Java 8 is broken on iOS 12

Natives/JavaLauncher.m

@@ -257,7 +257,8 @@ int launchJVM(NSString *username, id launchTarget, int width, int height, int mi
     }
     margv[++margc] = cacio_classpath.UTF8String;
 
-    if (!getEntitlementValue(@"com.apple.developer.kernel.extended-virtual-addressing")) {
+    if (UIDevice.currentDevice.systemVersion.floatValue < 14 ||
+        !getEntitlementValue(@"com.apple.developer.kernel.extended-virtual-addressing")) {
         // In jailed environment, where extended virtual addressing entitlement isn't
         // present (for free dev account), allocating compressed space fails.
         // FIXME: does extended VA allow allocating compressed class space?