Split up error messages for missing --sbom related flags

Split up the diagnostic for missing SBOM generation settings so that we
can more easily tell the difference between "you didn't tell me where to
put the output files" and "I don't know how to generate things".

[NO NEW TESTS NEEDED]

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

Author: nalind

pkg/parse/parse.go

@@ -814,8 +814,11 @@ func SBOMScanOptionsFromFlagSet(flags *pflag.FlagSet, findFlagFunc func(name str
 		return nil, fmt.Errorf("invalid value for --sbom-purl-output: %w", err)
 	}
 
-	if options.Image == "" || len(options.Commands) == 0 || (options.SBOMOutput == "" && options.ImageSBOMOutput == "" && options.PURLOutput == "" && options.ImagePURLOutput == "") {
-		return options, fmt.Errorf("sbom configuration missing one or more of (%q, %q, %q, %q, %q or %q)", "--sbom-scanner-imag", "--sbom-scanner-command", "--sbom-output", "--sbom-image-output", "--sbom-purl-output", "--sbom-image-purl-output")
+	if options.Image == "" || len(options.Commands) == 0 {
+		return options, fmt.Errorf("sbom configuration missing one or more of (%q or %q)", "--sbom-scanner-image", "--sbom-scanner-command")
+	}
+	if options.SBOMOutput == "" && options.ImageSBOMOutput == "" && options.PURLOutput == "" && options.ImagePURLOutput == "" {
+		return options, fmt.Errorf("sbom configuration missing one or more of (%q, %q, %q or %q)", "--sbom-output", "--sbom-image-output", "--sbom-purl-output", "--sbom-image-purl-output")
 	}
 	if len(options.Commands) > 1 && options.MergeStrategy == "" {
 		return options, fmt.Errorf("sbom configuration included multiple %q values but no %q value", "--sbom-scanner-command", "--sbom-merge-strategy")