feat: 修复主界面滚动和布局问题

- 为抽屉导航视图（NavigationView）添加状态栏内边距，以防止内容与状态栏重叠。
- 修正了在`AppBarLayout`滚动时工具栏（Toolbar）可见性的判断逻辑，确保其在向上滚动时能正确隐藏。

Author: Mystery00

app/src/main/java/me/ghui/v2er/module/home/MainActivity.java

@@ -163,6 +163,7 @@ protected void init() {
         isAlive = true;
         configToolBar();
 
+        Utils.setPaddingForStatusBar(mNavigationView);
         mNavigationView.setItemIconTintList(null);
         mNavHeaderView = mNavigationView.getHeaderView(0);
         mAvatarImg = mNavHeaderView.findViewById(R.id.avatar_img);
@@ -248,7 +249,7 @@ public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
                 int statusBarHeight = Utils.getStatusBarHeight();
 
                 // When toolbar is scrolled up and would be under status bar, hide it
-                if (Math.abs(verticalOffset) >= toolbarHeight - statusBarHeight) {
+                if (verticalOffset > 0 && Math.abs(verticalOffset) >= toolbarHeight - statusBarHeight) {
                     mToolbar.setVisibility(View.INVISIBLE);
                 } else {
                     mToolbar.setVisibility(View.VISIBLE);