Use nolint directives for undesirable_operator_linter() lints

[IndrajeetPatil]

Waiting for #1751

[codecov-commenter]

Codecov Report

Merging #1748 (9993108) into main (d0023d4) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1748      +/-   ##
==========================================
- Coverage   98.87%   98.87%   -0.01%     
==========================================
  Files         109      109              
  Lines        4624     4620       -4     
==========================================
- Hits         4572     4568       -4     
  Misses         52       52              

Impacted Files	Coverage Δ
R/expect_lint.R	100.00% <100.00%> (ø)
R/get_source_expressions.R	94.38% <100.00%> (ø)
R/lint.R	96.77% <100.00%> (-0.04%)	⬇️
R/object_usage_linter.R	99.39% <100.00%> (ø)
R/utils.R	98.26% <100.00%> (ø)

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[AshesITR]

NB you can use # nolint: undesirable_operator. as well.

[IndrajeetPatil]

@AshesITR This should be good for a merge. I've incorporated your suggestion.