Edited Unassigned: Assert thrown when running P1 test case "EditFunctionMapping" [1374]

Following assert is thrown when running this P1 test. How many ever times, Ignore is clicked, it keeps coming back.

The text from the assert is as follows.

```
The ParameterName this scalar is pointing to has changed, this
shouldn’t happen. StoreParameterName = ErrorLoglD, Scalar Property
ParameterName =
at
Microsoft. Data.Entity. D esig n .Ul.VievMod e. Mapp ing Details. Fun ctio ns.
MappingFun ctio nScala rP rep city. g ct_Scala rP ro p ertyû
at
Microsoft.Data.Entity.Design.Ul.ViewModels.MappingDetails.Functions.
MappingFunctionScalarProperty.get_StoreParameterO
at
Microsoft.Data.Entity.Design.Ul.ViewModels.MappingDetails.Functions.
MappingFunctionScalarProperty.get_NameO
at
Microsoft.Data.Entity.Design.Ul.Views.MappingDetails.Columns.Parame
terColumn.GetValue(Object component)
at
Microsoft.Data.Entity.Design.Base.Shell.TreeGridDesignerBranch.GetTex
t(1nt32 row, 1nt32 column)
at
Microsoft.Data.Entity.Design.Base.Shell.TreeGridDesignerBranch.Micros
oft.Data.Tools.VSXmlDesigner8ase.VirtualTreeGrid.lBranch.GetText(lnt3
2 row, 1nt32 column)
at
Microsoft.Data.Tools.VSXmlDesignerBase.VirtualTreeGrid.VirtualTreeCo
ntrol.DoDrawltem(DrawltemEventArgs e, 1nt32 column
<truncated>
Abort Retry Ignore
```

Here is full stack trace
```
Microsoft.Data.Entity.Design.dll!Microsoft.Data.Entity.Design.UI.ViewModels.MappingDetails.Functions.MappingFunctionScalarProperty.ScalarProperty.get() + 0x1e1 bytes
Microsoft.Data.Entity.Design.dll!Microsoft.Data.Entity.Design.UI.ViewModels.MappingDetails.Functions.MappingFunctionScalarProperty.StoreParameter.get() + 0x6d bytes
Microsoft.Data.Entity.Design.dll!Microsoft.Data.Entity.Design.UI.ViewModels.MappingDetails.Functions.MappingFunctionScalarProperty.Name.get() + 0x37 bytes
Microsoft.Data.Entity.Design.dll!Microsoft.Data.Entity.Design.UI.Views.MappingDetails.Columns.ParameterColumn.GetValue(object component) + 0x7b bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Entity.Design.Base.Shell.TreeGridDesignerBranch.GetText(int row, int column) + 0x107 bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Entity.Design.Base.Shell.TreeGridDesignerBranch.Microsoft.Data.Tools.VSXmlDesignerBase.VirtualTreeGrid.IBranch.GetText(int row, int column) + 0x3f bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Tools.VSXmlDesignerBase.VirtualTreeGrid.VirtualTreeControl.DoDrawItem(System.Windows.Forms.DrawItemEventArgs e, int column, int nativeColumn, bool windowFocused, bool itemFocused, bool columnSelected, bool dontDrawLeadingGridline, bool trailingColumn, System.Drawing.Rectangle itemBounds) + 0x780 bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Tools.VSXmlDesignerBase.VirtualTreeGrid.VirtualTreeControl.DoDrawItem(System.Windows.Forms.DrawItemEventArgs e) + 0x6ee bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Tools.VSXmlDesignerBase.VirtualTreeGrid.VirtualTreeControl.OnDrawItem(System.Windows.Forms.DrawItemEventArgs e) + 0x3d bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Entity.Design.Base.Shell.TreeGridDesignerTreeControl.OnDrawItem(System.Windows.Forms.DrawItemEventArgs e) + 0x133 bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Tools.VSXmlDesignerBase.VirtualTreeGrid.VirtualTreeControl.WmReflectDrawItem(ref System.Windows.Forms.Message m) + 0x540 bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Tools.VSXmlDesignerBase.VirtualTreeGrid.VirtualTreeControl._WndProc(ref System.Windows.Forms.Message m) + 0x9b8 bytes
Microsoft.VisualStudio.Data.Tools.Design.XmlCore.dll!Microsoft.Data.Tools.VSXmlDesignerBase.VirtualTreeGrid.VirtualTreeControl.WndProc(ref System.Windows.Forms.Message m) + 0x52 bytes

```