Issue with Search in Chinese

### Expected
A note with the following text should be found when searching for "搜索占位符":

> 测试测试搜索占位符测试测试

### Observed
Although the note is found on other platforms, it is not found on Android.

### Reproduced
1. Create a note and add the following text:
> 测试测试搜索占位符测试测试
2. Head back to the notes list and tap on the search icon.
3. Search for "搜索占位符"
4. No note is found.

Device Make: Google
Device Model: Pixel 3
Android Version: 11
Simplenote Version: 2.18

3873116-zd-woothemes

Start by reproducing the issue using the listed note text and the four Android search steps on the specified device and app version. Trace the Android note-search entry point and compare its handling of the Chinese query with other platforms. Done means searching for "搜索占位符" returns the note containing that text.

Written by the indexing model from the issue text.