multi tab close fixed

Signed-off-by: chcurran <82187351+carlitosan@users.noreply.github.com>

Gems/ScriptCanvas/Code/Include/ScriptCanvas/Core/Core.cpp

@@ -229,7 +229,7 @@ namespace ScriptCanvasEditor
 
     bool SourceHandle::IsValid() const
     {
-        return *this;
+        return m_data != nullptr;
     }
 
     GraphPtr SourceHandle::Mod() const
@@ -237,14 +237,16 @@ namespace ScriptCanvasEditor
         return m_data ? m_data->ModEditorGraph() : nullptr;
     }
 
-    SourceHandle::operator bool() const
+    bool SourceHandle::operator==(const SourceHandle& other) const
     {
-        return m_data != nullptr;
+        return m_data.get() == other.m_data.get()
+            && m_id == other.m_id
+            && m_path == other.m_path;
     }
 
-    bool SourceHandle::operator!() const
+    bool SourceHandle::operator!=(const SourceHandle& other) const
     {
-        return m_data == nullptr;
+        return !(*this == other);
     }
 
     const AZStd::string& SourceHandle::Path() const
@@ -252,6 +254,11 @@ namespace ScriptCanvasEditor
         return m_path;
     }
 
+    bool SourceHandle::PathEquals(const SourceHandle& other) const
+    {
+        return m_path == other.m_path;
+    }
+
     AZStd::string SourceHandle::ToString() const
     {
         return AZStd::string::format

Gems/ScriptCanvas/Code/Include/ScriptCanvas/Core/Core.h

@@ -344,12 +344,14 @@ namespace ScriptCanvasEditor
 
         GraphPtr Mod() const;
 
-        operator bool() const;
+        bool operator==(const SourceHandle& other) const;
 
-        bool operator!() const;
+        bool operator!=(const SourceHandle& other) const;
 
         const AZStd::string& Path() const;
 
+        bool PathEquals(const SourceHandle& other) const;
+
         AZStd::string ToString() const;
 
     private: