Input Chinese character after EmbedBlot, cursor positioning error

[ahauzq]

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Steps for Reproduction

1. Visit https://codepen.io/ahauzq/pen/dyEYadv
2. click after "text" block
3. switch to chinese IME
4. input some Chinese

Expected behavior:
The cursor appears after the input text

Actual behavior:
The cursor appears after the EmbedBlot, and before the input text

Platforms:
browser: chrome 124.0.6367.207
os: macOS 14.4.1

Include browser, operating system and respective versions

Version:
2.0.2

Kapture.2024-05-17.at.16.10.03.mp4

[ahauzq]

#2970

[ahauzq]

e56603e

[jimmygan]

This issue has not been fixed yet. @ahauzq

[jimmygan]

When there are consecutive EmbedBlots, the cursor is also incorrect when deleting them. e.g. @A@b@c