Fix: disable next action button in the last step of the wizard

-when no IDE could be resolved

Author: fioan89

src/main/kotlin/com/coder/gateway/views/CoderGatewayConnectorWizardView.kt

@@ -32,7 +32,9 @@ class CoderGatewayConnectorWizardView : BorderLayoutPanel(), Disposable {
 
         registerStep(CoderAuthStepView { next() })
         registerStep(CoderWorkspacesStepView())
-        registerStep(CoderLocateRemoteProjectStepView())
+        registerStep(CoderLocateRemoteProjectStepView {
+            nextButton.isVisible = false
+        })
 
         addToBottom(createBackComponent())
 
@@ -64,9 +66,15 @@ class CoderGatewayConnectorWizardView : BorderLayoutPanel(), Disposable {
                 nextButton.text = nextActionText
                 previousButton.text = previousActionText
             }
+            showNavigationButtons()
         }
     }
 
+    private fun showNavigationButtons() {
+        nextButton.isVisible = true
+        previousButton.isVisible = true
+    }
+
     private fun next() {
         if (!doNextCallback()) return
         if (currentStep + 1 < steps.size) {
@@ -81,6 +89,7 @@ class CoderGatewayConnectorWizardView : BorderLayoutPanel(), Disposable {
                 nextButton.text = nextActionText
                 previousButton.text = previousActionText
             }
+            showNavigationButtons()
         }
     }
 

src/main/kotlin/com/coder/gateway/views/steps/CoderLocateRemoteProjectStepView.kt

@@ -44,7 +44,7 @@ import javax.swing.JPanel
 import javax.swing.ListCellRenderer
 import javax.swing.SwingConstants
 
-class CoderLocateRemoteProjectStepView : CoderWorkspacesWizardStep, Disposable {
+class CoderLocateRemoteProjectStepView(private val disableNextAction: () -> Unit) : CoderWorkspacesWizardStep, Disposable {
     private val cs = CoroutineScope(Dispatchers.Main)
     private val coderClient: CoderRestClientService = ApplicationManager.getApplication().getService(CoderRestClientService::class.java)
 
@@ -124,6 +124,7 @@ class CoderLocateRemoteProjectStepView : CoderWorkspacesWizardStep, Disposable {
                 }
             }
             if (workspaceOS == null) {
+                disableNextAction()
                 cbIDE.renderer = object : ColoredListCellRenderer<IdeWithStatus>() {
                     override fun customizeCellRenderer(list: JList<out IdeWithStatus>, value: IdeWithStatus?, index: Int, isSelected: Boolean, cellHasFocus: Boolean) {
                         background = UIUtil.getListBackground(isSelected, cellHasFocus)