fix(editor): incorrect position of toolbar in android (#12614)

### Before
Extra padding between toolbaar and keyboard
![CleanShot 2025-05-28 at 18 56 02](https://github.com/user-attachments/assets/9c865f7c-3acf-41b6-9436-d8d2d4c89c83)

### After
![CleanShot 2025-05-28 at 18 55 19](https://github.com/user-attachments/assets/0a4aeb01-32af-4420-b204-feca3981641b)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

- **Bug Fixes**
  - Improved accuracy of keyboard height calculations by properly accounting for the navigation bar height on Android devices.

- **Refactor**
  - Standardized naming conventions for navigation bar height methods and unit conversion utilities to enhance consistency across the app.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/apps/android/src/app.tsx

@@ -116,10 +116,14 @@ framework.impl(VirtualKeyboardProvider, {
 
     Promise.all([
       Keyboard.addListener('keyboardWillShow', info => {
-        callback({
-          visible: true,
-          height: info.keyboardHeight,
-        });
+        (async () => {
+          const navBarHeight = (await AffineTheme.getSystemNavBarHeight())
+            .height;
+          callback({
+            visible: true,
+            height: info.keyboardHeight - navBarHeight,
+          });
+        })().catch(console.error);
       }),
       Keyboard.addListener('keyboardWillHide', () => {
         callback({

packages/frontend/apps/android/src/plugins/affine-theme/definitions.ts

@@ -1,4 +1,4 @@
 export interface AffineThemePlugin {
   onThemeChanged(options: { darkMode: boolean }): Promise<void>;
-  getSystemNaviBarHeight(): Promise<{ height: number }>;
+  getSystemNavBarHeight(): Promise<{ height: number }>;
 }