chore(sequencer_infra): move server loop function

[Itay-Tsabary-Starkware]

Stack:

• chore(sequencer_infra): move server loop function #1516 ⬅
• chore(sequencer_node): rename sequencer node package #1513
• chore(sequencer_infra): rename sequencer infra package #1512

⚠️ Part of a stack created by spr. Do not merge manually using the UI - doing so may have unexpected results.

[reviewable-StarkWare]

This change is 

[codecov]

Codecov Report

Attention: Patch coverage is 72.22222% with 5 lines in your changes missing coverage. Please review.

Please upload report for BASE (spr/main/fd7e82da@6a2e48d). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...fra/src/component_server/local_component_server.rs	72.22%	2 Missing and 3 partials ⚠️

Additional details and impacted files

@@                 Coverage Diff                 @@
##             spr/main/fd7e82da   #1516   +/-   ##
===================================================
  Coverage                     ?   3.85%           
===================================================
  Files                        ?     107           
  Lines                        ?   13602           
  Branches                     ?   13602           
===================================================
  Hits                         ?     525           
  Misses                       ?   13050           
  Partials                     ?      27           

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