Changed default window to key window for present.

Author: ivanvorobei

Example App/SPAlert.xcodeproj/project.xcworkspace/xcuserdata/ivanvorobei.xcuserdatad/UserInterfaceState.xcuserstate

@@ -1,14 +1,12 @@
 Pod::Spec.new do |s|
 
   s.name = 'SPAlert'
-  s.version = '3.1.0'
+  s.version = '3.1.1'
   s.summary = 'Native alert from Apple Music & Feedback. Contains Done, Heart & Message and other presets.'
   s.homepage = 'https://github.com/ivanvorobei/SPAlert'
   s.source = { :git => 'https://github.com/ivanvorobei/SPAlert.git', :tag => s.version }
   s.license = { :type => "MIT", :file => "LICENSE" }
-  
   s.author = { 'Ivan Vorobei' => '[email protected]' }
-  s.social_media_url = 'https://ivanvorobei.by/'
 
   s.swift_version = '5.1'
   s.ios.deployment_target = '12.0'

SPAlert.podspec

@@ -159,7 +159,7 @@ open class SPAlertView: UIView {
     open func present(duration: TimeInterval = 1.5, haptic: SPAlertHaptic = .success, completion: (() -> Void)? = nil) {
 
         if self.presentWindow == nil {
-            self.presentWindow = UIApplication.shared.windows.first
+            self.presentWindow = UIApplication.shared.keyWindow
         }
 
         guard let window = self.presentWindow else { return }