Remove panic method in crdt array

[emplam27]

Remove panic method in crdt array

• go sdk crdt array has the condition that cause panic
• remove panic prevent shutdown server when crdt array error occurred

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #501

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Additional documentation:

Checklist:

• Added relevant tests or not required
• Didn't break anything

[codecov]

Codecov Report

Merging #524 (3594fb9) into main (8287e05) will decrease coverage by 0.07%.
The diff coverage is 38.70%.

@@            Coverage Diff             @@
##             main     #524      +/-   ##
==========================================
- Coverage   50.34%   50.28%   -0.07%     
==========================================
  Files          65       65              
  Lines        6054     6068      +14     
==========================================
+ Hits         3048     3051       +3     
- Misses       2611     2617       +6     
- Partials      395      400       +5     

Impacted Files	Coverage Δ
pkg/document/crdt/text.go	57.84% <ø> (ø)
pkg/document/crdt/array.go	32.07% <25.00%> (-1.97%)	⬇️
pkg/document/crdt/rga_tree_list.go	62.40% <25.00%> (-2.07%)	⬇️
pkg/document/crdt/rga_tree_split.go	69.60% <50.00%> (-1.48%)	⬇️
pkg/splay/splay.go	79.78% <66.66%> (+1.66%)	⬆️

[hackerwins]

Thanks for your contribution.