[WORK IN PROGRESS] Use Protobuf serialization for LOI properties in local db

[gino-m]

No description provided.

[codecov-commenter]

Codecov Report

Merging #2050 (77ea5a6) into master (172107e) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #2050      +/-   ##
============================================
- Coverage     48.29%   48.27%   -0.02%     
  Complexity     1191     1191              
============================================
  Files           317      317              
  Lines          6508     6510       +2     
  Branches        644      644              
============================================
  Hits           3143     3143              
- Misses         3032     3034       +2     
  Partials        333      333              

Files	Coverage Δ
...und/model/locationofinterest/LocationOfInterest.kt	93.10% <0.00%> (-6.90%)	⬇️

[gino-m]

@rachaprince Let's punt on this for now. Filed #2054 to track.