fix eventType mapping for reaqta connector

[mdazam1942]

No description provided.

[codecov]

Codecov Report

Merging #967 (0447d2a) into develop (215c7a3) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop     #967   +/-   ##
========================================
  Coverage    64.68%   64.68%           
========================================
  Files          517      517           
  Lines        48849    48849           
========================================
  Hits         31600    31600           
  Misses       17249    17249           

Impacted Files	Coverage Δ
.../test/stix_translation/test_reaqta_json_to_stix.py	98.73% <100.00%> (ø)

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