fix: parse property with browser hack

[bartveneman]

partially unblocks projectwallace/css-analyzer#488

[codecov-commenter]

Codecov Report

❌ Patch coverage is 97.22222% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 95.02%. Comparing base (6f04431) to head (8c07688).

Files with missing lines	Patch %	Lines
src/parse-declaration.ts	95.91%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #90      +/-   ##
==========================================
+ Coverage   94.97%   95.02%   +0.04%     
==========================================
  Files          15       15              
  Lines        2369     2433      +64     
  Branches      596      629      +33     
==========================================
+ Hits         2250     2312      +62     
- Misses        119      121       +2     

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[codecov-commenter]

Bundle Report

Changes will increase total bundle size by 3.56kB (2.79%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
@projectwallace/css-parser-esm	130.95kB	3.56kB (2.79%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: @projectwallace/css-parser-esm

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
parse-*.js	2.28kB	6.55kB	53.39% ⚠️
css-*.js	282 bytes	16.65kB	1.72%
parse.js	946 bytes	12.39kB	8.27% ⚠️
arena.js	51 bytes	10.7kB	0.48%

Files in parse-*.js:

• ./src/parse-declaration.ts → Total Size: 5.92kB

Files in css-*.js:

• ./src/css-node.ts → Total Size: 15.83kB

Files in parse.js:

• ./src/parse.ts → Total Size: 11.54kB

Files in arena.js:

• ./src/arena.ts → Total Size: 9.82kB