fix: clean up market map hooks

[aljo242]

Actually call the hook and clean it up to only use the ticker key as opposed to the whole market

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.

Project coverage is 57.00%. Comparing base (2c36ea8) to head (e18596e).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
x/marketmap/types/hooks.go	0.00%	3 Missing ⚠️
x/marketmap/keeper/msg_server.go	0.00%	1 Missing and 1 partial ⚠️
x/oracle/keeper/hooks.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #778   +/-   ##
=======================================
  Coverage   56.99%   57.00%           
=======================================
  Files         210      210           
  Lines       11718    11720    +2     
=======================================
+ Hits         6679     6681    +2     
+ Misses       4431     4430    -1     
- Partials      608      609    +1     

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[technicallyty]

is there a test we can add to make sure the hook is called as expected?