[3.5-beta.1] Shipping cost only shows on cart page if shipping calculator enabled.

[claudiulodro]

Describe the bug
The shipping cost only shows on the cart page if the shipping calculator is enabled. This is a change in behavior from WC 3.4 where it would show even if the shipping calculator was disabled.

WC 3.4

WC 3.5

To Reproduce
Steps to reproduce the behavior:

1. Go to Shipping settings and set up a flat rate shipping for the whole world.
2. Observe shipping cost and calculator are present in cart costs table.
3. Go to Settings > Shipping > Shipping Settings and disable the shipping calculator on the cart page.
4. Observe shipping cost is not present in cart costs table.

Expected behavior
The shipping cost should show in the cart costs table when applicable even if shipping calculator is disabled.

Isolating the problem (mark completed items with an [x]):

• I have deactivated other plugins and confirmed this bug occurs when only WooCommerce plugin is active.
• This bug happens with a default WordPress theme active, or Storefront.
• I can reproduce this bug consistently using the steps above.