[stable10] server container interface should inherit from icontainer,…

[DeepDiver1975]

… as it is essentially an extended icontainer

backport #32502

[codecov]

Codecov Report

Merging #34756 into stable10 will decrease coverage by <.01%.
The diff coverage is n/a.

@@              Coverage Diff               @@
##             stable10   #34756      +/-   ##
==============================================
- Coverage       64.19%   64.19%   -0.01%     
  Complexity      19887    19887              
==============================================
  Files            1278     1278              
  Lines           76245    76245              
  Branches         1291     1291              
==============================================
- Hits            48947    48946       -1     
- Misses          26919    26920       +1     
  Partials          379      379

Flag	Coverage Δ	Complexity Δ
#javascript	53.22% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	65.35% <ø> (-0.01%)	19887 <ø> (ø)

Impacted Files	Coverage Δ	Complexity Δ
lib/private/Server.php	86.53% <0%> (-0.12%)	253% <0%> (ø)

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