feat(github): enable GitHub issues action with dedicated icon

- Add GITHUB_ISSUE icon to AutoDevIcons
- Uncomment and activate ShowGitHubIssuesAction in plugin configuration
- Remove unuse

Author: phodal

core/src/233/main/resources/META-INF/autodev-core.xml

@@ -437,13 +437,13 @@
             <add-to-group group-id="EditorPopupMenu" anchor="first"/>
         </group>
 
-<!--        <action id="autodev.Vcs.ShowGitHubIssues"-->
-<!--                class="cc.unitmesh.devti.actions.github.ShowGitHubIssuesAction"-->
-<!--                icon="cc.unitmesh.devti.AutoDevIcons.AI_COPILOT"-->
-<!--                description="Fetch GitHub issues for AI">-->
+        <action id="autodev.Vcs.ShowGitHubIssues"
+                class="cc.unitmesh.devti.actions.github.ShowGitHubIssuesAction"
+                icon="cc.unitmesh.devti.AutoDevIcons.GITHUB_ISSUE"
+                description="Fetch GitHub issues for AI">
 
-<!--            <add-to-group group-id="Vcs.MessageActionGroup"/>-->
-<!--        </action>-->
+            <add-to-group group-id="Vcs.MessageActionGroup"/>
+        </action>
 
         <action id="cc.unitmesh.devti.QuickAssistant"
                 class="cc.unitmesh.devti.actions.quick.QuickAssistantAction"

core/src/main/kotlin/cc/unitmesh/devti/AutoDevIcons.kt

@@ -115,4 +115,7 @@ object AutoDevIcons {
 
     @JvmField
     val HISTORY: Icon = IconLoader.getIcon("/icons/history.svg", AutoDevIcons::class.java)
+
+    @JvmField
+    val GITHUB_ISSUE: Icon = IconLoader.getIcon("/icons/github-issue.svg", AutoDevIcons::class.java)
 }

core/src/main/kotlin/cc/unitmesh/devti/actions/github/ShowGitHubIssuesAction.kt

@@ -32,7 +32,6 @@ class ShowGitHubIssuesAction : DumbAwareAction() {
 
     override fun update(e: AnActionEvent) {
         val project = e.project
-        e.presentation.icon = AllIcons.Vcs.Branch
         e.presentation.text = "Show GitHub Issues"
         e.presentation.description = "Show and select GitHub issues from current repository"
 
@@ -44,7 +43,6 @@ class ShowGitHubIssuesAction : DumbAwareAction() {
 
     override fun actionPerformed(e: AnActionEvent) {
         val project = e.project!!
-        
         ApplicationManager.getApplication().executeOnPooledThread {
             try {
                 val issues = fetchGitHubIssues(project)
@@ -115,11 +113,9 @@ class ShowGitHubIssuesAction : DumbAwareAction() {
                     selected: Boolean,
                     hasFocus: Boolean
                 ) {
-                    // Show issue number and title
                     append("#${value.issue.number} ", com.intellij.ui.SimpleTextAttributes.GRAYED_ATTRIBUTES)
                     append(value.issue.title)
-                    
-                    // Add labels if any
+
                     val labels = value.issue.labels.map { it.name }
                     if (labels.isNotEmpty()) {
                         append(" ")