chore: use setVisible instead of show

launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/GtkMenubar.kt

@@ -79,7 +79,7 @@ object GtkMenubar {
     @JvmStatic
     fun generateNewMenu(app: Application) {
         newMenu!!.clear()
-        newMenu!!.button("new") { NewInstanceWindow(app).show() }
+        newMenu!!.button("new") { NewInstanceWindow(app).visible = true }
         newMenu!!.button("file") {
             val dialog = FileChooserNative(
                 I18n["menu.file.new.file"],
@@ -202,11 +202,11 @@ object GtkMenubar {
     @JvmStatic
     fun generateAccountsMenu(app: Application) {
         accountsMenu!!.clear()
-        accountsMenu!!.button("new") { MicrosoftLoginDialog(GtkEnvBackend.dialogParent).show() }
+        accountsMenu!!.button("new") { MicrosoftLoginDialog(GtkEnvBackend.dialogParent).visible = true }
         accountsMenu!!.button("manage") {
             val window = LauncherSettingsWindow(app)
             window.activePage = "settings.accounts"
-            window.show()
+            window.visible = true
         }
         val accounts: MutableList<MicrosoftAccount?> = ArrayList(AccountManager.getAccounts())
         accounts.add(null)

launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/window/AboutWindow.kt

@@ -25,7 +25,7 @@ class AboutWindow : AboutDialog() {
     companion object {
         @JvmStatic
         fun createAndShow() {
-            AboutWindow().show()
+            AboutWindow().visible = true
         }
     }
 }

launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/window/MainWindow.kt

@@ -54,7 +54,7 @@ class MainWindow(app: Application) : ApplicationWindow(app) {
 
         val uiMenu = MenuBuilder(app, Menu(), "hamburger")
         uiMenu.button("support") { Utils.openWebBrowser(URI("https://git.frohnmeyer-wds.de/JfMods/Inceptum/issues")) }
-        uiMenu.button("preferences") { LauncherSettingsWindow(app).show() }
+        uiMenu.button("preferences") { LauncherSettingsWindow(app).visible = true }
         uiMenu.button("about") { AboutWindow.createAndShow() }
         val menuButton = MenuButton()
         menuButton.iconName = "open-menu-symbolic"

launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/window/dialog/ProcessStateWatcherDialog.kt

@@ -95,7 +95,7 @@ class ProcessStateWatcherDialog(
             executor: ThrowingRunnable<*>
         ): ProcessStateWatcherDialog {
             val dialog = ProcessStateWatcherDialog(parent, title, errorMessage, state, executor)
-            dialog.show()
+            dialog.visible = true
             return dialog
         }
     }

launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/window/settings/instance/GeneralTab.kt

@@ -230,7 +230,7 @@ class GeneralTab(window: InstanceSettingsWindow) : SectionedSettingsTab<Instance
                             else -> {}
                         }
                     }
-                    dialog.show()
+                    dialog.visible = true
                 }
             }
             row("instance.directory", "instance.directory.subtitle") {