MNT: make happi.cli.search_parser always return a list #249

Job	Run time
standard / Documentation / Python 3.9: documentation building	1m 19s
standard / pre-commit checks / pre-commit	22s
standard / Conda (3.11, true) / Python 3.11: conda	3m 29s
standard / Conda (3.10) / Python 3.10: conda	3m 32s
standard / Conda (3.9, true) / Python 3.9: conda	3m 35s
standard / Pip (3.10) / Python 3.10: pip	1m 15s
standard / Conda (3.12, true) / Python 3.12: conda	3m 32s
standard / Pip (3.11, true) / Python 3.11: pip	1m 21s
standard / Pip (3.12, true) / Python 3.12: pip	1m 34s
standard / Pip (3.9, true) / Python 3.9: pip	1m 22s
standard / Documentation / Documentation deployment	0s
	21m 21s

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