chore: cherry-pick some inj changes (backport #17109) (#17110)

Co-authored-by: Julien Robert <julien@rbrt.fr>

client/flags/flags.go

@@ -76,6 +76,7 @@ const (
 	FlagOffset           = "offset"
 	FlagCountTotal       = "count-total"
 	FlagTimeoutHeight    = "timeout-height"
+	FlagKeyAlgorithm     = "algo"
 	FlagKeyType          = "key-type"
 	FlagFeePayer         = "fee-payer"
 	FlagFeeGranter       = "fee-granter"

client/keys/add.go

@@ -82,7 +82,7 @@ Example:
 
 	// support old flags name for backwards compatibility
 	f.SetNormalizeFunc(func(f *pflag.FlagSet, name string) pflag.NormalizedName {
-		if name == "algo" {
+		if name == flags.FlagKeyAlgorithm {
 			name = flags.FlagKeyType
 		}