🐛 await init_app_state

[joerunde]

Description

I broke this recently by making a change to vllm's init that will ensure the engine loads all provided lora modules at startup. This broke init_app_state because it needed to be async to wait on the engine.

This backwards-compatible change will check if init_app_state needs to be awaited, and awaits it.

How Has This Been Tested?

Merge criteria:

• The commits are squashed in a cohesive manner and have meaningful messages.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.04%. Comparing base (384b732) to head (d215efa).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #207      +/-   ##
==========================================
+ Coverage   62.98%   63.04%   +0.06%     
==========================================
  Files          28       28              
  Lines        1748     1751       +3     
  Branches      216      217       +1     
==========================================
+ Hits         1101     1104       +3     
  Misses        541      541              
  Partials      106      106              

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[tjohnson31415]

LGTM!