fix: compatibility patch

Author: xepozz

src/main/kotlin/com/github/xepozz/php_dump/CompositeWindowFactory.kt

@@ -10,12 +10,8 @@ import com.intellij.openapi.project.Project
 import com.intellij.openapi.wm.ToolWindow
 import com.intellij.openapi.wm.ToolWindowFactory
 import com.intellij.ui.content.ContentFactory
-import javax.swing.Icon
 
 open class CompositeWindowFactory : ToolWindowFactory, DumbAware {
-    override val icon: Icon?
-        get() = PhpDumpIcons.POT
-
     override fun createToolWindowContent(project: Project, toolWindow: ToolWindow) {
         val contentFactory = ContentFactory.getInstance()
         val contentManager = toolWindow.contentManager

src/main/resources/META-INF/plugin.xml

@@ -13,10 +13,10 @@
     <extensions defaultExtensionNs="com.intellij">
         <toolWindow
                 factoryClass="com.github.xepozz.php_dump.CompositeWindowFactory"
-                id="PHP Dump" anchor="right" secondary="false"/>
+                id="PHP Dump" anchor="right" secondary="false" icon="/icons/pot.svg"/>
     </extensions>
     <projectListeners>
         <listener class="com.github.xepozz.php_dump.startup.ProjectFileEditorListener"
-                  topic="com.intellij.openapi.fileEditor.FileEditorManagerListener" />
+                  topic="com.intellij.openapi.fileEditor.FileEditorManagerListener"/>
     </projectListeners>
 </idea-plugin>