fix(services/webdav): Fix endpoint suffix not handled #163

Job	Run time
build_all_features	4m 55s
build_all_platforms (ubuntu-latest)	2m 23s
build_under_wasm	45s
build_all_platforms (macos-latest)	3m 29s
build_default_features (ubuntu-latest)	57s
build_all_platforms (windows-latest)	6m 4s
build_default_features (macos-latest)	1m 36s
check_clippy	3m 52s
build_default_features (windows-latest)	2m 7s
check_docs	3m 15s
check_msrv	3m 50s
unit	3m 21s
	36m 34s

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