Fix reader race conditions and loading page height

presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/ReaderMenu.kt

@@ -446,7 +446,9 @@ fun ReaderLayout(
     progress: (Int) -> Unit,
     updateLastPageReadOffset: (Int) -> Unit
 ) {
-    val loadingModifier = Modifier.fillMaxWidth().aspectRatio(mangaAspectRatio)
+    val loadingModifier = Modifier.widthIn(max = 700.dp)
+        .fillMaxWidth()
+        .aspectRatio(mangaAspectRatio)
     val readerModifier = Modifier
         .navigationClickable(
             navigation = navigationViewer,
@@ -524,11 +526,11 @@ fun ReaderImage(
     retry: (Int) -> Unit
 ) {
     Crossfade(drawableHolder to status) { (drawableHolder, status) ->
-        val drawableCallback = drawableHolder.item
-        val decodeState = produceState<ReaderPage.ImageDecodeState?>(null, drawableCallback) {
-            if (drawableCallback != null) {
+        val decodeState = produceState<ReaderPage.ImageDecodeState?>(null, drawableHolder) {
+            val callback = drawableHolder.item
+            if (callback != null) {
                 withIOContext {
-                    value = drawableCallback()
+                    value = callback()
                 }
             }
         }
@@ -543,7 +545,7 @@ fun ReaderImage(
             )
         } else {
             LoadingScreen(
-                status == ReaderPage.Status.QUEUE,
+                status == ReaderPage.Status.QUEUE || status == ReaderPage.Status.WORKING,
                 loadingModifier,
                 progress,
                 error ?: when (decode) {

presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/loader/TachideskPageLoader.kt

@@ -80,6 +80,7 @@ class TachideskPageLoader(
                             val page = priorityPage.page
                             log.debug { "Loading page ${page.index}" }
                             if (page.status.value == ReaderPage.Status.QUEUE) {
+                                page.status.value = ReaderPage.Status.WORKING
                                 getChapterPage.asFlow(chapter.chapter, page.index) {
                                     onDownload { bytesSentTotal, contentLength ->
                                         page.progress.value = (bytesSentTotal.toFloat() / contentLength).coerceAtMost(1.0F)

presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/model/ReaderPage.kt

@@ -22,6 +22,7 @@ data class ReaderPage(
 ) {
     enum class Status {
         QUEUE,
+        WORKING,
         READY,
         ERROR
     }