Remove Modifier parameter in private function when only default value is used.

This will improve the code coverage metrics, and this also fixes a few potential bug, where the Modifier was used several times.

libraries/mediaviewer/api/src/main/kotlin/io/element/android/libraries/mediaviewer/api/local/pdf/PdfViewer.kt

@@ -86,7 +86,6 @@ private fun PdfPagesView(
 @Composable
 private fun PdfPageView(
     pdfPage: PdfPage,
-    modifier: Modifier = Modifier,
 ) {
     val pdfPageState by pdfPage.stateFlow.collectAsState()
     DisposableEffect(pdfPage) {
@@ -101,12 +100,12 @@ private fun PdfPageView(
                 bitmap = state.bitmap.asImageBitmap(),
                 contentDescription = stringResource(id = CommonStrings.a11y_page_n, pdfPage.pageIndex),
                 contentScale = ContentScale.FillWidth,
-                modifier = modifier.fillMaxWidth()
+                modifier = Modifier.fillMaxWidth()
             )
         }
         is PdfPage.State.Loading -> {
             Box(
-                modifier = modifier
+                modifier = Modifier
                     .fillMaxWidth()
                     .height(state.height.toDp())
                     .background(color = Color.White)

libraries/mediaviewer/api/src/main/kotlin/io/element/android/libraries/mediaviewer/api/viewer/MediaViewerView.kt

@@ -259,10 +259,8 @@ private fun ErrorView(
     errorMessage: String,
     onRetry: () -> Unit,
     onDismiss: () -> Unit,
-    modifier: Modifier = Modifier,
 ) {
     RetryDialog(
-        modifier = modifier,
         content = errorMessage,
         onRetry = onRetry,
         onDismiss = onDismiss