fix TypeScript Error on query when passing only string

[Danilo-Zekovic]

No description provided.

[codecov-io]

Codecov Report

Merging #58 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #58   +/-   ##
=======================================
  Coverage   97.00%   97.00%           
=======================================
  Files           9        9           
  Lines         301      301           
  Branches       93       93           
=======================================
  Hits          292      292           
  Misses          5        5           
  Partials        4        4           

Impacted Files	Coverage Δ
src/ApolloTableQL/ApolloTableQL.tsx	100.00% <ø> (ø)

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