also skip slot extractions akin to dollar

[MichaelChirico]

Noticed this during #2038.

Figured it would affect other linters too, so I grep'd through for OP-DOLLAR to determine which others to include.

[codecov-commenter]

Codecov Report

Merging #2039 (d0dcff7) into main (3e6b862) will decrease coverage by 0.01%.
Report is 2 commits behind head on main.
The diff coverage is 100.00%.

❗ Current head d0dcff7 differs from pull request most recent head c09d105. Consider uploading reports for the commit c09d105 to get more accurate results

@@            Coverage Diff             @@
##             main    #2039      +/-   ##
==========================================
- Coverage   98.56%   98.56%   -0.01%     
==========================================
  Files         114      114              
  Lines        5011     5002       -9     
==========================================
- Hits         4939     4930       -9     
  Misses         72       72              

Files Changed	Coverage Δ
R/object_name_linter.R	98.18% <ø> (ø)
R/T_and_F_symbol_linter.R	100.00% <100.00%> (ø)
R/condition_message_linter.R	100.00% <100.00%> (ø)
R/for_loop_index_linter.R	100.00% <100.00%> (ø)
R/literal_coercion_linter.R	90.00% <100.00%> (ø)
R/undesirable_function_linter.R	100.00% <100.00%> (ø)
R/unreachable_code_linter.R	100.00% <100.00%> (ø)
R/yoda_test_linter.R	100.00% <100.00%> (ø)