Update plugin ktlint to v12.1.0 (#2200)

* Update plugin ktlint to v12.1.0

* Run `./gradlew ktlintFormat` and fix some issues manually.

* Fix other issues reproted by Ktlint

* Limit false positives, KtLint removes unnecessary curly brace in String templates.

* Remove useless Unit

* Minor improvements over ktlint changes

* Restore `AlertDialogContent` behaviour

* Update screenshots

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Benoit Marty <benoit@matrix.org>
Co-authored-by: Jorge Martín <jorgem@element.io>
Co-authored-by: ElementBot <benoitm+elementbot@element.io>

services/apperror/api/src/main/kotlin/io/element/android/services/apperror/api/AppErrorStateService.kt

@@ -23,5 +23,4 @@ interface AppErrorStateService {
     val appErrorStateFlow: StateFlow<AppErrorState>
 
     fun showError(title: String, body: String)
-
 }

services/apperror/impl/src/main/kotlin/io/element/android/services/apperror/impl/AppErrorView.kt

@@ -18,8 +18,8 @@ package io.element.android.services.apperror.impl
 
 import androidx.compose.runtime.Composable
 import io.element.android.libraries.designsystem.components.dialogs.ErrorDialog
-import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.services.apperror.api.AppErrorState
 import io.element.android.services.apperror.api.aAppErrorState
 

services/apperror/impl/src/test/kotlin/io/element/android/services/apperror/impl/DefaultAppErrorStateServiceTest.kt

@@ -68,5 +68,4 @@ internal class DefaultAppErrorStateServiceTest {
             assertThat(awaitItem()).isInstanceOf(AppErrorState.NoError::class.java)
         }
     }
-
 }