Fixes Dictionary error.

src/Collections/Dictionary.hpp

@@ -29,7 +29,7 @@ namespace ArbUt {
         Dictionary(const Dictionary& other) noexcept : _map(other._map) {}
         /// @brief Assignment operator
         Dictionary& operator=(const Dictionary& other) noexcept {
-            if (this == &other || _map == other._map) {
+            if (this == &other) {
                 return *this;
             }
             _map = other._map;