Issue 1379 patch - Fix MCP server OAuth not working with Visual Studio Code and others with extra grant_types #2702

Job	Run time
checks / readme-snippets	13s
checks / pre-commit	17s
checks / test (3.10, lowest-direct, windows-latest)	44s
checks / test (3.10, lowest-direct, ubuntu-latest)	22s
checks / test (3.10, highest, ubuntu-latest)	21s
checks / test (3.11, lowest-direct, ubuntu-latest)	18s
checks / test (3.12, highest, ubuntu-latest)	19s
checks / test (3.10, highest, windows-latest)	44s
checks / test (3.12, lowest-direct, ubuntu-latest)	18s
checks / test (3.11, highest, ubuntu-latest)	21s
checks / test (3.11, lowest-direct, windows-latest)	46s
checks / test (3.12, highest, windows-latest)	42s
checks / test (3.11, highest, windows-latest)	45s
checks / test (3.12, lowest-direct, windows-latest)	1m 15s
checks / test (3.13, highest, windows-latest)	1m 5s
checks / test (3.13, highest, ubuntu-latest)	20s
checks / test (3.13, lowest-direct, ubuntu-latest)	20s
checks / test (3.13, lowest-direct, windows-latest)	50s
	10m 0s

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