fix(search): pad the bottom of the search history sheet

app/src/main/java/com/example/research/ui/main/components/MainTopBar.kt

@@ -2,6 +2,7 @@ package com.example.research.ui.main.components
 
 
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -72,6 +73,7 @@ private val TopBarHeight = Spacing.topBarHeight
 private val TopBarShape = RoundedCornerShape(28.dp)
 private val HistorySheetChrome = 64.dp
 private val HistorySheetMinHeight = 300.dp
+private val HistorySheetBottomPadding = 16.dp
 
 @Composable
 fun MainTopBar(
@@ -314,6 +316,7 @@ private fun SearchHistorySheet(
             onEntryClick = onEntryClick,
             onEntryRemove = onEntryRemove,
             onClearAll = onClearAll,
+            contentPadding = PaddingValues(bottom = HistorySheetBottomPadding),
             modifier = Modifier
                 .fillMaxWidth()
                 .heightIn(min = HistorySheetMinHeight, max = maxContentHeight)