Fix RIDER-111487: choose the correct color scheme by default

GitOrigin-RevId: 27876ad65ce63e113c2a0020d9fed83bbd8e271b

plugins/ide-startup/importSettings/src/com/intellij/ide/startup/importSettings/data/StartupWizardService.kt

@@ -73,6 +73,7 @@ interface ThemeService {
   var currentTheme: Theme
 
   val schemesList: List<WizardScheme>
+  val initialSchemeId: String?
 
   fun onStepEnter(isForwardDirection: Boolean)
   fun updateScheme(schemeId: String)

plugins/ide-startup/importSettings/src/com/intellij/ide/startup/importSettings/data/WizardMockData.kt

@@ -72,6 +72,7 @@ class ThemeServiceImpl : ThemeService {
     }
 
   override val schemesList: List<WizardScheme> = map.values.toList()
+  override val initialSchemeId: String? = null
 
   override fun onStepEnter(isForwardDirection: Boolean) {}
 

plugins/ide-startup/importSettings/src/com/intellij/ide/startup/importSettings/wizard/themeChooser/ThemeChooserPage.kt

@@ -98,7 +98,9 @@ class ThemeChooserPage(val controller: WizardController) : OnboardingPage {
       border = UiUtils.CARD_BORDER
     }
 
-    activeScheme = pages[0]
+    activeScheme = service.initialSchemeId?.let { initialId ->
+      pages.firstOrNull { it.scheme.id == initialId }
+    } ?: pages[0]
     activePane(activeScheme)
 
     val backAction = controller.goBackAction?.let {