Fix extra padding appearing in reader after user interactions (#2669)

CHANGELOG.md

@@ -18,6 +18,7 @@ The format is a modified version of [Keep a Changelog](https://keepachangelog.co
 ### Fixed
 - Fix WebView crash introduced in 0.19.2 ([@bapeey](https://github.com/bapeey)) ([#2649](https://github.com/mihonapp/mihon/pull/2649))
 - Fix long strip reader not scrolling on consecutive taps ([@AntsyLich](https://github.com/AntsyLich)) ([#2650](https://github.com/mihonapp/mihon/pull/2650))
+- Fix extra padding appearing in reader after user interactions ([@AntsyLich](https://github.com/AntsyLich)) ([#2669](https://github.com/mihonapp/mihon/pull/2669))
 
 ## [v0.19.2] - 2025-11-02
 ### Added

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -777,7 +777,8 @@ class ReaderActivity : BaseActivity() {
      * Updates viewer inset depending on fullscreen reader preferences.
      */
     private fun updateViewerInset(fullscreen: Boolean, drawUnderCutout: Boolean) {
-        val view = viewModel.state.value.viewer?.getView() ?: return
+        if (!::binding.isInitialized) return
+        val view = binding.viewerContainer
 
         view.applyInsetsPadding(ViewCompat.getRootWindowInsets(view), fullscreen, drawUnderCutout)
         ViewCompat.setOnApplyWindowInsetsListener(view) { view, windowInsets ->