* change wrong description on individual standard (collaborator) plan on the new plans page
* reuse old "one_collaborator" translation key and fix individual professional description
* fix wrong descriptions on student table
* new plans page: remove buy button exclamation mark
* change "Buy Now" to "buy now"
GitOrigin-RevId: 274bca246b5f3d877b795e67036b93ab3494a1c3