Restore shadowing compiler plugins into related maven plugins

This is required for backward compatibility for older versions of
Kotlin/IDEA plugin.

^KT-58530 Fixed

libraries/tools/kotlin-maven-allopen/pom.xml

@@ -25,6 +25,7 @@
             <groupId>org.jetbrains.kotlin</groupId>
             <artifactId>kotlin-stdlib</artifactId>
             <version>${project.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
@@ -99,6 +100,27 @@
                     </execution>
                 </executions>
             </plugin>
+
+            <!-- Shadowing kotlin-allopen-compiler-plugin into maven plugin without removing the dependency -->
+            <!-- Required for backward compatibility for Kotlin/IDEA plugin -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <configuration>
+                    <appendAssemblyId>false</appendAssemblyId>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 </project>