Fixed memory leak issue, caused by the EditorCoroutine class not disposing the web request after.
```
A Native Collection has not been disposed, resulting in a memory leak. Allocated from:
Unity.Collections.NativeArray`1:.ctor(Byte[], Allocator)
UnityEngine.Networking.UploadHandlerRaw:.ctor(Byte[])
PlayFab.PfEditor.PlayFabEditorHttp:MakeApiCall(String, String, GetTitleDataRequest, Action`1, Action`1) (at Assets\PlayFabEditorExtensions\Editor\Scripts\PlayFabEditorSDK\PlayFabEditorHttp.cs:85)
PlayFab.PfEditor.PlayFabEditorApi:GetTitleInternalData(Action`1, Action`1) (at Assets\PlayFabEditorExtensions\Editor\Scripts\PlayFabEditorSDK\PlayFabEditorApi.cs:69)
PlayFab.PfEditor.TitleInternalDataViewer:RefreshInternalTitleData() (at Assets\PlayFabEditorExtensions\Editor\Scripts\Components\TitleInternalDataViewer.cs:123)
PlayFab.PfEditor.TitleInternalDataViewer:Draw() (at Assets\PlayFabEditorExtensions\Editor\Scripts\Components\TitleInternalDataViewer.cs:28)
PlayFab.PfEditor.PlayFabEditorDataMenu:DrawDataPanel() (at Assets\PlayFabEditorExtensions\Editor\Scripts\Panels\PlayFabEditorDataMenu.cs:52)
PlayFab.PfEditor.PlayFabEditor:OnGuiInternal() (at Assets\PlayFabEditorExtensions\Editor\PlayFabEditor.cs:146)
PlayFab.PfEditor.PlayFabEditor:HideRepaintErrors(Action) (at Assets\PlayFabEditorExtensions\Editor\PlayFabEditor.cs:184)
PlayFab.PfEditor.PlayFabEditor:OnGUI() (at Assets\PlayFabEditorExtensions\Editor\PlayFabEditor.cs:116)
UnityEditor.HostView:InvokeOnGUI(Rect)
UnityEditor.DockArea:DrawView(Rect)
UnityEditor.DockArea:OldOnGUI()
UnityEngine.UIElements.IMGUIContainer:DoOnGUI(Event, Matrix4x4, Rect, Boolean, Rect, Action, Boolean)
UnityEngine.UIElements.IMGUIContainer:HandleIMGUIEvent(Event, Matrix4x4, Rect, Action, Boolean)
UnityEngine.UIElements.IMGUIContainer:HandleIMGUIEvent(Event, Action, Boolean)
UnityEngine.UIElements.IMGUIContainer:HandleIMGUIEvent(Event, Boolean)
UnityEngine.UIElements.IMGUIContainer:SendEventToIMGUIRaw(EventBase, Boolean, Boolean)
UnityEngine.UIElements.IMGUIContainer:SendEventToIMGUI(EventBase, Boolean, Boolean)
UnityEngine.UIElements.IMGUIContainer:HandleEvent(EventBase)
UnityEngine.UIElements.CallbackEventHandler:HandleEventAtTargetPhase(EventBase)
UnityEngine.UIElements.MouseCaptureDispatchingStrategy:DispatchEvent(EventBase, IPanel)
UnityEngine.UIElements.EventDispatcher:ApplyDispatchingStrategies(EventBase, IPanel, Boolean)
UnityEngine.UIElements.EventDispatcher:ProcessEvent(EventBase, IPanel)
UnityEngine.UIElements.EventDispatcher:ProcessEventQueue()
UnityEngine.UIElements.EventDispatcher:OpenGate()
UnityEngine.UIElements.EventDispatcherGate:Dispose()
UnityEngine.UIElements.EventDispatcher:ProcessEvent(EventBase, IPanel)
UnityEngine.UIElements.EventDispatcher:Dispatch(EventBase, IPanel, DispatchMode)
UnityEngine.UIElements.BaseVisualElementPanel:SendEvent(EventBase, DispatchMode)
UnityEngine.UIElements.UIElementsUtility:DoDispatch(BaseVisualElementPanel)
UnityEngine.UIElements.UIElementsUtility:UnityEngine.UIElements.IUIElementsUtility.ProcessEvent(Int32, IntPtr, Boolean&)
UnityEngine.UIElements.UIEventRegistration:ProcessEvent(Int32, IntPtr)
UnityEngine.UIElements.<>c:<.cctor>b__1_2(Int32, IntPtr)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)
```