refactor(provisioning_api): consolidate user-edit field logic #82095

Job	Run time
changes	8s
static-code-analysis-ocp	52s
static-code-analysis-security	5m 36s
static-code-analysis	1m 51s
static-code-analysis-strict	54s
static-code-analysis-ncu	49s
static-code-analysis-summary	6s
	10m 16s

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