fix(provisioner/terraform): ensure ordering rich parameters produces no nil values (#7824)

provisioner/terraform/resources.go

@@ -694,5 +694,21 @@ func orderedRichParametersResources(tfResourcesRichParameters []*tfjson.StateRes
 			}
 		}
 	}
+
+	// There's an edge case possible for us to have a parameter name that isn't
+	// present in the state, since the ordered names come statically from
+	// parsing the Terraform file. We need to filter out the nil values if there
+	// are any present.
+	if len(tfResourcesRichParameters) != len(orderedNames) {
+		nonNil := make([]*tfjson.StateResource, 0, len(ordered))
+		for _, resource := range ordered {
+			if resource != nil {
+				nonNil = append(nonNil, resource)
+			}
+		}
+
+		ordered = nonNil
+	}
+
 	return ordered
 }