Fix compatibility issues, drop support for 212

gradle.properties

@@ -7,7 +7,7 @@ pluginRepositoryUrl = https://github.com/WarningImHack3r/intellij-shadcn-plugin
 pluginVersion = 1.0.0
 
 # Supported build number ranges and IntelliJ Platform versions -> https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
-pluginSinceBuild = 212
+pluginSinceBuild = 213
 pluginUntilBuild =
 
 # IntelliJ Platform Properties -> https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html#configuration-intellij-extension

src/main/kotlin/com/github/warningimhack3r/intellijshadcnplugin/backend/sources/Source.kt

@@ -127,7 +127,7 @@ abstract class Source<C : Config>(val project: Project, private val serializer:
                             "Installed $dependenciesList for ${component.name}.",
                         )
                     }
-                    notif.hideBalloon()
+                    notif.expire()
                 }
             }
         }

src/main/kotlin/com/github/warningimhack3r/intellijshadcnplugin/notifications/NotificationManager.kt

@@ -5,6 +5,9 @@ import com.intellij.notification.NotificationAction
 import com.intellij.notification.NotificationType
 import com.intellij.notification.Notifications
 import com.intellij.openapi.project.Project
+import com.intellij.util.concurrency.AppExecutorUtil
+import java.util.concurrent.ScheduledExecutorService
+import java.util.concurrent.TimeUnit
 
 class NotificationManager(val project: Project? = null) {
 
@@ -22,19 +25,18 @@ class NotificationManager(val project: Project? = null) {
             actions.forEach { addAction(it) }
         }
 
-    @Suppress("UnstableApiUsage") // notifyAndHide is still experimental
     private fun sendNotification(
         notification: Notification,
         hide: Boolean = false
     ) {
+        project?.let {
+            Notifications.Bus.notify(notification, it)
+        } ?: Notifications.Bus.notify(notification)
         if (hide) {
-            project?.let {
-                Notifications.Bus.notifyAndHide(notification, it)
-            } ?: Notifications.Bus.notifyAndHide(notification)
-        } else {
-            project?.let {
-                Notifications.Bus.notify(notification, it)
-            } ?: Notifications.Bus.notify(notification)
+            // Taken from experimental Notifications.Bus.notifyAndHide
+            (AppExecutorUtil.getAppExecutorService() as ScheduledExecutorService).schedule({
+                notification.expire()
+            }, 5, TimeUnit.SECONDS)
         }
     }