[Bug] getBoundingClientRect should account for masked / clipped objects

[jonobr1]

Describe the bug
When calculating getBoundingClientRect the masked or clipped content calculates the full dimensions without being clipped resulting in unintended behavior.

Environment (please select one):

• Code executes in browser (e.g: using script tag to load library)
• Packaged software (e.g: ES6 imports, react, angular, vue.js)
• Running headless (usually Node.js)

Desktop (please complete the following information):

• All versions and browsers