chore: rework internals of makeStaticStyles

[layershifter]

This PR reworks resolveStaticStyleRules to make it simpler and follow the same approach as makeResetStyles to unify insertion process.

[github-actions]

📊 Bundle size report

Package & Exports	Baseline (minified/GZIP)	PR	Change
react makeStaticStyles (runtime)	8.753 kB 3.868 kB	8.733 kB 3.862 kB	-20 B -6 B

Unchanged fixtures

Package & Exports	Size (minified/GZIP)
core __resetStyles (makeResetStyles)	207 B 174 B
core __styles (makeStyles)	1.608 kB 772 B
core makeResetStyles (runtime)	16.886 kB 6.442 kB
core makeStyles (runtime)	21.224 kB 8.025 kB
core mergeClasses	1.82 kB 881 B
core shorthands.padding()	4.101 kB 1.405 kB
react __css	1.645 kB 767 B
react __styles	3.463 kB 1.578 kB
react makeResetStyles (runtime)	18.776 kB 7.223 kB
react makeStyles (runtime)	23.129 kB 8.791 kB
shadow-dom createShadowDOMRenderer	3.232 kB 1.405 kB

_{🤖 This report was generated against 2ee1ee7305064beeb7a61fbf50d4fcbba4bb14ba}