Use fixed width for archive download button

app/src/main/kotlin/com/hippo/ehviewer/ui/main/ArchiveList.kt

@@ -5,6 +5,7 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.grid.GridCells
 import androidx.compose.foundation.lazy.grid.GridItemSpan
 import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
@@ -102,7 +103,7 @@ private fun ArchiveItem(
             text = cost,
             style = labelStyle,
         )
-        Button(onClick = onClick, shapes = ButtonDefaults.shapes()) {
+        Button(onClick = onClick, shapes = ButtonDefaults.shapes(), modifier = Modifier.width(100.dp)) {
             Text(text = name)
         }
         Text(