Null Reference in SA_ServiceLayout.cs

[kostiantyn-koretskyi]

Reproducing steps:

1. Open ultimate mobile -> game services section
2. type something in Editor API emulation -> Display name

Log:

NullReferenceException: Object reference not set to an instance of an object
SA.Foundation.Editor.SA_ServiceLayout.DrawServiceUI () (at Assets/Plugins/StansAssets/Foundation/Editor/Components/Windows/PluginsSettings/SA_ServiceLayout.cs:258)
SA.CrossPlatform.Editor.UM_SettingsWindow+<>c__DisplayClass15_0.b__0 () (at Assets/Plugins/StansAssets/CrossPlatform/UltimateMobile/Editor/SettingsWindow/Core/UM_SettingsWindow.cs:188)
SA.Foundation.Editor.SA_PluginSettingsWindow1[TWindow].DrawScrollView (System.Action OnContent) (at Assets/Plugins/StansAssets/Foundation/Editor/Components/Windows/PluginsSettings/SA_PluginSettingsWindow.cs:285) SA.CrossPlatform.Editor.UM_SettingsWindow.OnLayoutGUI () (at Assets/Plugins/StansAssets/CrossPlatform/UltimateMobile/Editor/SettingsWindow/Core/UM_SettingsWindow.cs:186) SA.Foundation.Editor.SA_PluginSettingsWindow1[TWindow].OnGUI () (at Assets/Plugins/StansAssets/Foundation/Editor/Components/Windows/PluginsSettings/SA_PluginSettingsWindow.cs:210)