fix casing issue when cloning Headers object #13505

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10 notices

Total Tests: 950 Suites 📂: 76 Passed ✅: 946 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 4 Todo 📝: 0 Duration 🕐: 28936.122ms

Total Tests: 189 Suites 📂: 6 Passed ✅: 176 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 13 Todo 📝: 0 Duration 🕐: 3264.259ms

Total Tests: 3 Suites 📂: 0 Passed ✅: 3 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 0 Todo 📝: 0 Duration 🕐: 167.320ms

Total Tests: 73 Suites 📂: 0 Passed ✅: 73 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 0 Todo 📝: 0 Duration 🕐: 6464.706ms

Total Tests: 360 Suites 📂: 12 Passed ✅: 360 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 0 Todo 📝: 0 Duration 🕐: 16042.137ms

Total Tests: 15 Suites 📂: 2 Passed ✅: 15 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 0 Todo 📝: 0 Duration 🕐: 126.395ms

Total Tests: 1 Suites 📂: 1 Passed ✅: 1 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 0 Todo 📝: 0 Duration 🕐: 191.967ms

Total Tests: 66 Suites 📂: 6 Passed ✅: 66 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 0 Todo 📝: 0 Duration 🕐: 1945.868ms

Total Tests: 95 Suites 📂: 16 Passed ✅: 95 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 0 Todo 📝: 0 Duration 🕐: 11343.329ms

Total Tests: 66 Suites 📂: 12 Passed ✅: 66 Failed ❌: 0 Canceled 🚫: 0 Skipped ⏭️: 0 Todo 📝: 0 Duration 🕐: 3912.209ms