fix(trait): inherit platform configuration

Closes apache#5289

pkg/trait/builder.go

@@ -96,6 +96,8 @@ func (t *builderTrait) Configure(e *Environment) (bool, *TraitCondition, error)
 		condition = newOrAppend(condition, "Spectrum publishing strategy is deprecated and may be removed in future releases. Make sure to use any supported publishing strategy instead.")
 	}
 
+	t.setPlatform(e)
+
 	if e.IntegrationKitInPhase(v1.IntegrationKitPhaseBuildSubmitted) {
 		if trait := e.Catalog.GetTrait(quarkusTraitID); trait != nil {
 			quarkus, ok := trait.(*quarkusTrait)
@@ -630,3 +632,12 @@ func publishingOrUserTask(t v1.Task) bool {
 
 	return false
 }
+
+// Will set a default platform if either specified in the trait or the platform/profile configuration.
+func (t *builderTrait) setPlatform(e *Environment) {
+	if t.ImagePlatforms == nil {
+		if e.Platform != nil && e.Platform.Status.Build.BuildConfiguration.ImagePlatforms != nil {
+			t.ImagePlatforms = e.Platform.Status.Build.BuildConfiguration.ImagePlatforms
+		}
+	}
+}