KEYCLOAK-5127: Fix packaging of node_modules (#4347)

pom.xml

@@ -124,6 +124,7 @@
         <osgi.bundle.plugin.version>2.3.7</osgi.bundle.plugin.version>
         <wildfly.plugin.version>1.1.0.Final</wildfly.plugin.version>
         <nexus.staging.plugin.version>1.6.5</nexus.staging.plugin.version>
+        <frontend.plugin.version>1.5</frontend.plugin.version>
 
         <!-- Surefire Settings -->
         <surefire.memory.settings>-Xms512m -Xmx2048m -XX:MetaspaceSize=96m -XX:MaxMetaspaceSize=256m</surefire.memory.settings>
@@ -1501,6 +1502,11 @@
                     <artifactId>maven-bundle-plugin</artifactId>
                     <version>${osgi.bundle.plugin.version}</version>
                 </plugin>
+                <plugin>
+                    <groupId>com.github.eirslett</groupId>
+                    <artifactId>frontend-maven-plugin</artifactId>
+                    <version>${frontend.plugin.version}</version>
+                </plugin>
             </plugins>
         </pluginManagement>
     </build>

themes/pom.xml

@@ -79,7 +79,6 @@
                         <goals>
                             <goal>yarn</goal>
                         </goals>
-                        <phase>process-resources</phase>
                         <configuration>
                             <arguments>install --production=false --frozen-lockfile</arguments>
                         </configuration>