perf(dashboards): improve API performance for dashboards (#9704)

requirements.txt

@@ -22,7 +22,7 @@ cryptography==2.8         # via apache-superset (setup.py)
 dataclasses==0.6          # via apache-superset (setup.py)
 decorator==4.4.1          # via retry
 defusedxml==0.6.0         # via python3-openid
-flask-appbuilder==2.3.2   # via apache-superset (setup.py)
+flask-appbuilder==2.3.4   # via apache-superset (setup.py)
 flask-babel==1.0.0        # via flask-appbuilder
 flask-caching==1.8.0      # via apache-superset (setup.py)
 flask-compress==1.4.0     # via apache-superset (setup.py)

setup.py

@@ -77,7 +77,7 @@ def get_git_sha():
         "cryptography>=2.4.2",
         "dataclasses<0.7",
         "flask>=1.1.0, <2.0.0",
-        "flask-appbuilder>=2.3.2, <2.4.0",
+        "flask-appbuilder>=2.3.4, <2.4.0",
         "flask-caching",
         "flask-compress",
         "flask-talisman",

superset/dashboards/api.py

@@ -95,20 +95,26 @@ class DashboardRestApi(BaseSupersetModelRestApi):
     ]
     order_columns = ["dashboard_title", "changed_on", "published", "changed_by_fk"]
     list_columns = [
+        "id",
+        "published",
+        "slug",
+        "url",
+        "css",
+        "position_json",
+        "json_metadata",
+        "thumbnail_url",
+        "changed_by.first_name",
+        "changed_by.last_name",
+        "changed_by.username",
+        "changed_by.id",
         "changed_by_name",
         "changed_by_url",
-        "changed_by.username",
         "changed_on",
         "dashboard_title",
         "owners.id",
         "owners.username",
         "owners.first_name",
         "owners.last_name",
-        "id",
-        "published",
-        "slug",
-        "url",
-        "thumbnail_url",
     ]
     edit_columns = [
         "dashboard_title",