#17: Fix firefox warning using invalid transform property as none

[7PH]

Also featuring:

• Re-organize glitch layers so that the new order is [shake, pulse, ..slices] rather than [shake, ...slices, pulse]
• Rename internal function mergeDeep to mergeOptions

[github-actions[bot]]

size-limit report 📦

Path	Size
dist/powerglitch.min.js	2 KB (+0.54% 🔺)

[sonarcloud[bot]]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
3 Code Smells

No Coverage information
36.7% Duplication