Propoage SendE2e refactor across the stack

auth/utils_test.go

bindings/connect.go

bindings/e2eHandler.go

cmd/connect.go

cmd/root.go

connect/authenticated.go

connect/connect.go

connect/utils_test.go

fileTransfer/connect/send.go

fileTransfer/connect/utils_test.go

fileTransfer/connect/wrapper.go

fileTransfer/e2e/send.go

fileTransfer/e2e/utils_test.go

fileTransfer/e2e/wrapper.go

groupChat/e2eManager_test.go

groupChat/interface.go

groupChat/sendRequests.go

restlike/connect/receiver.go

restlike/connect/request.go

ud/mockE2e_test.go