[6.x] Hook up translations

[brianjhanson]

Hooks up the front-end translations for the inertia side of things.

The implementation may change a bit here (specifically how we're supplying t everywhere) but for now this was straightforward to get working.

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
packages/craftcms-cp/src/utilities/translate.ts	12% smaller
resources/js/bootstrap/cp.ts	0% smaller
src/Cp/Cp.php	Unsupported file format