Gradle imageTask: look for builders among the dependencies of the run…

…time Quarkus application configuration instead of all the project configurations

devtools/gradle/gradle-application-plugin/src/main/java/io/quarkus/gradle/tasks/ImageTask.java

@@ -11,6 +11,9 @@
 
 import org.gradle.api.tasks.TaskAction;
 
+import io.quarkus.gradle.dependency.ApplicationDeploymentClasspathBuilder;
+import io.quarkus.runtime.LaunchMode;
+
 public abstract class ImageTask extends QuarkusBuildTask {
 
     static final String QUARKUS_PREFIX = "quarkus-";
@@ -53,7 +56,9 @@ List<Builder> availableBuilders() {
         // This will only pickup direct dependencies and not transitives
         // This means that extensions like quarkus-container-image-openshift via quarkus-openshift are not picked up
         // So, let's relax our filters a bit so that we can pickup quarkus-openshift directly (relax the prefix requirement).
-        return getProject().getConfigurations().stream().flatMap(c -> c.getDependencies().stream())
+        return getProject().getConfigurations()
+                .getByName(ApplicationDeploymentClasspathBuilder.getFinalRuntimeConfigName(LaunchMode.NORMAL))
+                .getDependencies().stream()
                 .map(d -> d.getName())
                 .filter(n -> n.startsWith(QUARKUS_CONTAINER_IMAGE_PREFIX) || n.startsWith(QUARKUS_PREFIX))
                 .map(n -> n.replace(QUARKUS_CONTAINER_IMAGE_PREFIX, "").replace(QUARKUS_PREFIX, ""))