fix(group): free group context with old group

[fengzeroz]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 21.93%. Comparing base (6b47dc6) to head (bda5ef1).
⚠️ Report is 4 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (6b47dc6) and HEAD (bda5ef1). Click for more details.

HEAD has 5 uploads less than BASE

Flag	BASE (6b47dc6)	HEAD (bda5ef1)
	6	1

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2651       +/-   ##
===========================================
- Coverage   65.04%   21.93%   -43.11%     
===========================================
  Files         125       70       -55     
  Lines       29995    13335    -16660     
===========================================
- Hits        19510     2925    -16585     
+ Misses      10485    10410       -75     

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