style: 优化代码样式

app/src/main/kotlin/cn/super12138/todo/ui/pages/main/MainPage.kt

@@ -72,9 +72,7 @@ fun MainPage(viewModel: MainViewModel, modifier: Modifier = Modifier) {
         floatingActionButton = {
             TodoFAB(
                 expanded = isExpanded,
-                onClick = {
+                onClick = { openBottomSheet = true }
-                    openBottomSheet = true
-                }
             )
         },
         modifier = modifier

app/src/main/kotlin/cn/super12138/todo/ui/pages/main/ManagerFragment.kt

@@ -1,6 +1,5 @@
 package cn.super12138.todo.ui.pages.main
 
-import androidx.compose.animation.core.FastOutSlowInEasing
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
@@ -9,13 +8,11 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.foundation.lazy.items
-import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
@@ -24,9 +21,6 @@ import cn.super12138.todo.logic.database.TodoEntity
 import cn.super12138.todo.logic.model.Subjects
 import cn.super12138.todo.ui.pages.main.components.TodoCard
 import my.nanihadesuka.compose.LazyColumnScrollbar
-import my.nanihadesuka.compose.ScrollbarLayoutSide
-import my.nanihadesuka.compose.ScrollbarSelectionActionable
-import my.nanihadesuka.compose.ScrollbarSelectionMode
 import my.nanihadesuka.compose.ScrollbarSettings
 
 @Composable