Revert "Debug why the demo fails to run and add a workaround for it"

This reverts commit d39f6ec.

This is a partial revert. `LazyColumn` was removed by mistake.

Author: ShreckYe

compose-multiplatform-material/src/commonMain/kotlin/com/huanshankeji/compose/material/ListAndLazyColumn.kt

@@ -59,3 +59,11 @@ expect class HeaderScope
 
 @Composable
 expect fun List(modifierOrAttrs: ModifierOrAttrs<ListElement> = null, content: ListScope.() -> Unit)
+
+/**
+ * An alias for [List] that follows the name of [androidx.compose.foundation.lazy.LazyColumn].
+ * The current implementation is not actually lazy on web.
+ */
+@Composable
+fun LazyColumn(modifierOrAttrs: ModifierOrAttrs<ListElement> = null, content: ListScope.() -> Unit) =
+    List(modifierOrAttrs, content)