refactor: 升级依赖并进行代码清理

将 `Feature.values()` 更新为 `Feature.entries` 以适配新的Kotlin语法。同时，移除了 `MainScreen.kt` 和 `MainViewModel.kt` 中不再使用的导入语句。

Author: Mystery00

app/src/main/java/io/github/vvb2060/ims/MainScreen.kt

@@ -18,9 +18,7 @@ import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
-import androidx.compose.material3.Divider
 import androidx.compose.material3.HorizontalDivider
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.RadioButton
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
@@ -29,7 +27,6 @@ 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.text.font.FontFamily
 import androidx.compose.ui.text.font.FontWeight

app/src/main/java/io/github/vvb2060/ims/MainViewModel.kt

@@ -2,7 +2,6 @@ package io.github.vvb2060.ims
 
 import android.app.Application
 import android.content.Context
-import android.content.Intent
 import android.content.SharedPreferences
 import android.content.pm.PackageManager
 import android.os.Build
@@ -21,7 +20,7 @@ data class MainUiState(
     val shizukuStatus: ShizukuStatus = ShizukuStatus.CHECKING,
     val isQpr2Beta3OrHigher: Boolean = false,
     val selectedSim: SimSelection = SimSelection.SIM1,
-    val featureSwitches: Map<Feature, Boolean> = Feature.values().associateWith { true },
+    val featureSwitches: Map<Feature, Boolean> = Feature.entries.associateWith { true },
     val isApplyButtonEnabled: Boolean = false,
     val showSimSelectionDialog: Boolean = false,
     val showConfigAppliedDialog: Boolean = false,