[Fix] jsx-no-leaked-render: removing parentheses for conditionals

[akulsr0]

Fixes #3498

[codecov]

Codecov Report

Merging #3502 (7fcbd9f) into master (c9f5eb2) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 7fcbd9f differs from pull request most recent head 8b51eef. Consider uploading reports for the commit 8b51eef to get more accurate results

@@           Coverage Diff           @@
##           master    #3502   +/-   ##
=======================================
  Coverage   97.57%   97.57%           
=======================================
  Files         130      130           
  Lines        9211     9213    +2     
  Branches     3341     3342    +1     
=======================================
+ Hits         8988     8990    +2     
  Misses        223      223           

Impacted Files	Coverage Δ
lib/rules/jsx-no-leaked-render.js	98.55% <100.00%> (+0.04%)	⬆️

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[ljharb]

Assuming the test fails prior to your fix, and passes afterwards, this looks great, thanks!