Editor’s note: Get this weekly recap of TechCrunch news that any startup can use by email every Saturday morning (7am PT), just subscribe here. Commercial real estate, the traditional heart of most cities, may have lost its reason to exist in the last few months. The world is about to find out what the situation is as more locations start to reopen. First up in our ongoing coverage of the topic, Connie Loizos caught up with a couple proptech investors this week for TechCrunch, who saw existing trends accelerating —…