CHANGE: Removed isInBatchMode and isPaused from IInputRuntime (ISX-2323) (#2195)

Author: ekcoh

Packages/com.unity.inputsystem/InputSystem/IInputRuntime.cs

@@ -187,13 +187,10 @@ internal unsafe interface IInputRuntime
         void SendAnalytic(InputAnalytics.IInputAnalytic analytic);
         #endif // UNITY_ANALYTICS || UNITY_EDITOR
 
-        bool isInBatchMode { get; }
-
         #if UNITY_EDITOR
         Action<PlayModeStateChange> onPlayModeChanged { get; set; }
         Action onProjectChange { get; set; }
         bool isInPlayMode { get;  }
-        bool isPaused { get; }
         bool isEditorActive { get; }
 
         // Functionality related to the Unity Remote.

Packages/com.unity.inputsystem/InputSystem/InputManager.cs

@@ -362,7 +362,7 @@ public bool runPlayerUpdatesInEditMode
 
         private bool gameIsPlaying =>
 #if UNITY_EDITOR
-            (m_Runtime.isInPlayMode && !m_Runtime.isPaused) || m_RunPlayerUpdatesInEditMode;
+            (m_Runtime.isInPlayMode && !UnityEditor.EditorApplication.isPaused) || m_RunPlayerUpdatesInEditMode;
 #else
             true;
 #endif

Packages/com.unity.inputsystem/InputSystem/InputSystem.cs

@@ -3611,7 +3611,7 @@ private static void ShowRestartWarning()
         {
             if (!s_SystemObject.newInputBackendsCheckedAsEnabled &&
                 !EditorPlayerSettingHelpers.newSystemBackendsEnabled &&
-                !s_Manager.m_Runtime.isInBatchMode)
+                !Application.isBatchMode)
             {
                 const string dialogText = "This project is using the new input system package but the native platform backends for the new input system are not enabled in the player settings. " +
                     "This means that no input from native devices will come through." +

Packages/com.unity.inputsystem/InputSystem/NativeInputRuntime.cs

@@ -293,13 +293,9 @@ public float scrollWheelDeltaPerTick
             get => NativeInputSystem.GetScrollWheelDeltaPerTick();
         }
 #endif
-
-        public bool isInBatchMode => Application.isBatchMode;
-
         #if UNITY_EDITOR
 
         public bool isInPlayMode => EditorApplication.isPlaying;
-        public bool isPaused => EditorApplication.isPaused;
         public bool isEditorActive => InternalEditorUtility.isApplicationActive;
 
         public Func<IntPtr, bool> onUnityRemoteMessage

Packages/com.unity.inputsystem/Tests/TestFixture/InputTestRuntime.cs

@@ -402,11 +402,8 @@ public double currentTimeOffsetToRealtimeSinceStartup
             }
         }
 
-        public bool isInBatchMode { get; set; }
-
         #if UNITY_EDITOR
         public bool isInPlayMode { get; set; } = true;
-        public bool isPaused { get; set; }
         public bool isEditorActive { get; set; } = true;
         public Func<IntPtr, bool> onUnityRemoteMessage
         {