When the Bravern opened in September of last year, it seemed like the next logical leap for an increasingly affluent Eastside. Rising over a swath of downtown Bellevue where a Dairy Queen used to be, the Bravern promised the ultimate in luxury living to an Eastside economy that appeared unstoppable, compared to sluggish Seattle.But the hard times have finally caught up to even the Bravern, where condos have been turned into apartments, some restaurant tenants have fled, and local fashion purveyor David Lawrence has found a cheaper home than in Rainier Square. This week, Laura Onstot takes stock of one local developer’s exercise in over-reaching.