[roborazzi-idea-plugin] Fix: Icons are not shown in the new UI

roborazzi-idea-plugin/build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 }
 
 group = "io.github.takahirom.roborazzi"
-version = "1.2.0"
+version = "1.3.0"
 
 repositories {
   mavenCentral()

roborazzi-idea-plugin/src/main/kotlin/com/github/takahirom/roborazzi/idea/preview/RoborazziPreviewTool.kt

@@ -13,6 +13,7 @@ import com.intellij.openapi.fileEditor.FileEditorManagerListener
 import com.intellij.openapi.options.ShowSettingsUtil
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.roots.ProjectRootManager
+import com.intellij.openapi.util.IconLoader
 import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.openapi.wm.ToolWindow
 import com.intellij.openapi.wm.ToolWindowFactory
@@ -57,6 +58,7 @@ import java.io.File
 import javax.imageio.ImageIO
 import javax.swing.Box
 import javax.swing.DefaultListModel
+import javax.swing.Icon
 import javax.swing.ImageIcon
 import javax.swing.JLabel
 import javax.swing.JList

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

@@ -32,10 +32,8 @@
     <toolWindow id="RoborazziPreview"
                 anchor="right"
                 factoryClass="com.github.takahirom.roborazzi.idea.preview.RoborazziPreviewToolWindowFactory"
-                icon="/icons/previewIcon.svg"
-                canCloseContents="true"
-                stripeTitle="Roborazzi Preview"
-                type="DOCKED">
+                icon="/icons/icon.svg"
+                >
     </toolWindow>
     <applicationService
       serviceImplementation="com.github.takahirom.roborazzi.idea.settings.AppSettingsState"/>