fix: remove readOnly transaction attribute in GraphQLController

[igdianov]

No description provided.

[codecov]

Codecov Report

Merging #257 into master will not change coverage by %.
The diff coverage is 50.00%.

@@            Coverage Diff            @@
##             master     #257   +/-   ##
=========================================
  Coverage     72.25%   72.25%           
  Complexity     1028     1028           
=========================================
  Files            71       71           
  Lines          4689     4689           
  Branches        670      670           
=========================================
  Hits           3388     3388           
  Misses         1013     1013           
  Partials        288      288           

Impacted Files	Coverage Δ	Complexity Δ
...tures/graphql/jpa/query/web/GraphQLController.java	33.85% <50.00%> (ø)	12.00 <0.00> (ø)

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