Fix infinite scroll intersection info calculation

Scrollbars need to be considered since they decrease the available viewport size in which the element can be visible

src/modules/reader/components/viewer/ReaderChapterViewer.tsx

@@ -416,6 +416,8 @@ const BaseReaderChapterViewer = ({
                     isPreviousChapterVisible={isPreviousChapterVisible}
                     isNextChapterVisible={isNextChapterVisible}
                     imageWrapper={pagerRef.current}
+                    scrollbarXSize={scrollbarXSize}
+                    scrollbarYSize={scrollbarYSize}
                 />
             )}
             {showPreviousTransitionPage && (

src/modules/reader/components/viewer/ReaderInfiniteScrollUpdateChapter.tsx

@@ -9,7 +9,7 @@
 import { memo } from 'react';
 import { withPropsFrom } from '@/modules/core/hoc/withPropsFrom.tsx';
 import { useReaderInfiniteScrollUpdateChapter } from '@/modules/reader/hooks/useReaderInfiniteScrollUpdateChapter.ts';
-import { ReadingDirection, ReadingMode } from '@/modules/reader/types/Reader.types.ts';
+import { ReadingDirection, ReadingMode, TReaderScrollbarContext } from '@/modules/reader/types/Reader.types.ts';
 import { ReaderControls } from '@/modules/reader/services/ReaderControls.ts';
 import { ChapterIdInfo } from '@/modules/chapter/services/Chapters.ts';
 
@@ -24,7 +24,9 @@ const BaseReaderInfiniteScrollUpdateChapter = ({
     isNextChapterVisible,
     imageWrapper,
     openChapter,
-}: {
+    scrollbarXSize,
+    scrollbarYSize,
+}: Pick<TReaderScrollbarContext, 'scrollbarXSize' | 'scrollbarYSize'> & {
     readingMode: ReadingMode;
     readingDirection: ReadingDirection;
     chapterId: ChapterIdInfo['id'];
@@ -46,6 +48,8 @@ const BaseReaderInfiniteScrollUpdateChapter = ({
         readingDirection,
         openChapter,
         imageWrapper,
+        scrollbarXSize,
+        scrollbarYSize,
     );
     useReaderInfiniteScrollUpdateChapter(
         'last',
@@ -57,6 +61,8 @@ const BaseReaderInfiniteScrollUpdateChapter = ({
         readingDirection,
         openChapter,
         imageWrapper,
+        scrollbarXSize,
+        scrollbarYSize,
     );
 
     return null;