fix(dashboard): agents view fills full width of parent container

Added flex: 1 to .agents-view so it expands to fill the
project-content parent instead of shrinking to content width.

packages/dashboard/app/components/AgentsView.css

@@ -52,6 +52,7 @@
   position: relative;
   display: flex;
   flex-direction: column;
+  flex: 1;
   height: 100%;
   overflow: hidden;
 }