fix(lsp): correct hover result handling (#30995) #683

Job	Run time
ubuntu asan clang unittest	2m 29s
build-types	4m 5s
lint	3m 15s
clang-analyzer	10m 14s
ubuntu asan clang functionaltest	18m 58s
ubuntu asan clang oldtest	7m 19s
with-external-deps	59s
ubuntu tsan clang functionaltest	17m 2s
ubuntu gcc unittest	1m 58s
ubuntu gcc functionaltest	6m 43s
ubuntu gcc oldtest	3m 29s
macos intel clang unittest	3m 24s
macos intel clang functionaltest	12m 32s
macos intel clang oldtest	5m 20s
macos arm clang unittest	1m 47s
macos arm clang functionaltest	7m 16s
macos arm clang oldtest	3m 21s
ubuntu puc-lua gcc functionaltest	7m 7s
ubuntu puc-lua gcc oldtest	3m 32s
windows / windows (functional)	13m 7s
windows / windows (old)	7m 9s
	2h 21m 6s

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