Fix RIDER-111570: ReSharper settings should not be configurable

They are always imported by default.

GitOrigin-RevId: 7ef044ccd6764afdcd8ce55d5b4441a017cf14d6

plugins/ide-startup/importSettings/src/com/intellij/ide/startup/importSettings/chooser/settingChooser/SettingChooserPage.kt

@@ -98,7 +98,7 @@ abstract class SettingChooserPage(private val provider: ActionsDataProvider<*>,
     val listPane = JPanel(VerticalLayout(0)).apply {
       isOpaque = false
       productService.getSettings(product.id).forEach {
-        val st = createSettingPane(it, configurable, { changeHandler() }, this@SettingChooserPage)
+        val st = createSettingPane(it, it.isConfigurable && configurable, { changeHandler() }, this@SettingChooserPage)
         settingPanes.add(st)
         add(st.component())
       }

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

@@ -253,6 +253,12 @@ interface BaseSetting {
   val icon: Icon
   val name: @Nls String
   val comment: @Nls String?
+
+  /**
+   * Whether the user should be allowed to turn the setting on and off.
+   */
+  val isConfigurable: Boolean
+    get() = true
 }
 
 interface Configurable : Multiple {