fix: 5970 - SQLITE error "typo"

[monsieurtanuki]

What

• Like in fix: osm_key duplicate column name #5960, the SQLITE error message needed to be edited, in order to support different variant.

Fixes bug(s)

• Fixes: SqfliteDatabaseException: DatabaseException(near "nulls": syntax error (code 1 SQLITE_ERROR): , while compiling: select p.b... #5970

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 6.53%. Comparing base (4d9c7fc) to head (1924c1d).
Report is 539 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #5971      +/-   ##
==========================================
- Coverage     9.54%   6.53%   -3.02%     
==========================================
  Files          325     440     +115     
  Lines        16411   24836    +8425     
==========================================
+ Hits          1567    1623      +56     
- Misses       14844   23213    +8369     

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[teolemon]

The symptom is offline products not working right ?

[monsieurtanuki]

Thank you @teolemon for your quick review!

The impact was tons of errors reported on sentry, and a method not working: "Returns the most recently locally accessed products with wrong language.", used for the language switch background task.