BUG: Fix infer_dtype result for float with embedded pd.NA #24011

Job	Run time
Linux-32-bit	18m 52s
python-dev	0s
Linux-Musl	15m 29s
windows-latest actions-312.yaml	37m 56s
macos-13 actions-310.yaml	45m 14s
macos-13 actions-312.yaml	42m 50s
macos-14 actions-311.yaml	25m 47s
windows-latest actions-313.yaml	46m 29s
macos-13 actions-313.yaml	37m 29s
macos-14 actions-310.yaml	22m 50s
macos-13 actions-311.yaml	36m 44s
macos-14 actions-312.yaml	26m 57s
windows-latest actions-310.yaml	36m 54s
macos-14 actions-313.yaml	26m 33s
windows-latest actions-311.yaml	37m 49s
Pyodide build	23m 29s
Future infer strings (without pyarrow)	39m 49s
Locale: it_IT	25m 5s
ubuntu-24.04 actions-312.yaml	44m 43s
ubuntu-24.04 actions-311.yaml	43m 36s
Pyarrow Nightly	20m 43s
ubuntu-24.04-arm actions-311.yaml	34m 35s
Downstream Compat	6m 11s
Minimum Versions	24m 0s
Freethreading	21m 35s
Locale: zh_CN	24m 58s
ubuntu-24.04-arm actions-310.yaml	36m 29s
ubuntu-24.04 actions-310.yaml	47m 48s
Numpy Dev	17m 2s
ubuntu-24.04-arm actions-313.yaml	35m 52s
Future infer strings	46m 5s
ubuntu-24.04 actions-313.yaml	48m 21s
Pypy	1m 54s
ubuntu-24.04-arm actions-312.yaml	35m 46s
	17h 15m 54s

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