[bindgen] follow up to #7300

[kneth]

What, How & Why?

#7300 comes with a number of breaking changes and new APIs. This PR follows up on #7300 to work around some limitations in the Binding Generator. Moreover, the PR fixes a couple of typos.

☑️ ToDos

• [ ] 📝 Changelog update
• [ ] 🚦 Tests (or not relevant)
• [ ] C-API, if public C++ API changed
• [ ] bindgen/spec.yml, if public C++ API changed

[coveralls-official]

Pull Request Test Coverage Report for Build kenneth.geisshirt_12

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 83 unchanged lines in 12 files lost coverage.
• Overall coverage decreased (-0.02%) to 90.736%

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Files with Coverage Reduction	New Missed Lines	%
src/realm/sync/noinst/server/server_history.cpp	1	63.76%
src/realm/cluster.cpp	2	75.87%
src/realm/sync/network/http.hpp	2	82.27%
src/realm/unicode.cpp	3	83.83%
test/test_thread.cpp	3	64.69%
src/realm/sync/noinst/client_reset.cpp	4	91.93%
src/realm/sync/noinst/client_reset_operation.cpp	5	86.79%
src/realm/index_string.cpp	6	84.83%
src/realm/sync/noinst/protocol_codec.hpp	6	73.5%
src/realm/sync/noinst/client_impl_base.cpp	9	82.38%

Totals
Change from base Build 2257:	-0.02%
Covered Lines:	211928
Relevant Lines:	233566

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💛 - Coveralls