Add Automation Names to UI Elements in EquationInputArea and KGF Panel (#1133)

* Missing EquationInputArea and KGF Automation Names added

* Updated the KGF back button automation name and tooltip and added the automation name string for the KGF equation edit box

* Reverted the removal of x:names and updated Variable Step Textbox to Variable Step Value Textbox per PR feedback

* Updated the VariableListViewItem narrator announcement to include the name of the variable

src/CalcViewModel/GraphingCalculator/VariableViewModel.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include "../Common/Utils.h"
+#include "CalcViewModel/Common/LocalizationStringUtil.h"
 #include "EquationViewModel.h"
 
 namespace CalculatorApp::ViewModel
@@ -107,6 +108,15 @@ public
             }
         }
 
+        property Platform::String ^ VariableAutomationName
+        {
+            Platform::String ^ get()
+            {
+                return CalculatorApp::Common::LocalizationStringUtil::GetLocalizedString(
+                           CalculatorApp::AppResourceProvider::GetInstance()->GetResourceString(L"VariableListViewItem"), Name);
+            }
+        }
+
     private:
         GraphControl::Variable ^ m_variable;
     };