About `M-C-e` expand result `'` failed

[A4-Tacks]

Subject: About `M-C-e` expand result `'` failed

Configuration Information [Automatically generated, do not change]:
Machine: aarch64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -march=armv8-a -O2 -pipe -fstack-protector-strong -fno-plt 
-fexceptions         -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security   
      -fstack-clash-protection 
-DDEFAULT_PATH_VALUE='/usr/local/sbin:/usr/local/bin:/usr/bin' 
-DSTANDARD_UTILS_PATH='/usr/bin' -DSYS_BASHRC='/etc/bash.bashrc' 
-DSYS_BASH_LOGOUT='/etc/bash.bash_logout' -DNON_INTERACTIVE_LOGIN_SHELLS
uname output: Linux localhost 4.14.116 #1 SMP PREEMPT Tue Mar 22 15:13:10 CST 
2022 aarch64 GNU/Linux
Machine Type: aarch64-unknown-linux-gnu

Bash Version: 5.2
Patch Level: 21
Release Status: release

Description:
     input M-C-e (shell-expand-line),
     expand the result containing `'` (single quotation mark) failed.

Repeat-By:
     ```bash
     # echo "$(echo $'ab\n\'cd\nef')"
     ab
     'cd
     ef
     # echo "$(echo $'ab\n\'cd\nef')"  # input M-C-e
     # echo "$(echo $'ab\n\'cd\nef')"bash: bad substitution: no closing `)' in 
echo "$(echo $'ab\n\'cd\nef')"
     ```
     
     expected:
     ```bash
     # echo $'ab\n\'cd\nef'
     ```
     or
     ```bash
     # echo ab
     'cd
     ef
     ```