Auth Web: fix unit test errors and warnings

Look at the testing-coverage logs from any Auth Web CI job. You will find such errors and warnings as follows, which should be fixed.

[Vue warn]: Failed to resolve directive: display-mode
[Vue warn]: Failed to resolve directive: can
TypeError: Cannot read properties of undefined (reading 'name')
TypeError: Cannot read properties of undefined (reading 'id')
TypeError: Cannot read properties of null (reading 'AUTH_API_URL')
[Vue warn]: Error in render: "TypeError: this.$refs.searchBusinessForm?.validate is not a function"
[Vue warn]: Error in mounted hook (Promise/async): "Error: ERR_STORE_NOT_PROVIDED: ...
[Vuetify] Unable to locate target [data-app]
Error: ERR_STORE_NOT_PROVIDED: To use getModule(), either the module ...
[Vue warn]: Error in mounted hook (Promise/async): "TypeError: Cannot read properties of undefined ...
[vuex] unknown local mutation type: resetCurrentSelectedProducts ...

bcgov / entity