refactor: Repeated boilerplate code between upload to database forms (#16756)

* abstract boilerplate code into class and rename csv to file

* add db migration

* fix some stuff

* more renaming of csv to file

* rename in translations

* update down revision

* update down revision

* bump chart version

* switch to alter column name approach in db migration

* fix db migration for MySQL

* db migration conflict

superset/databases/api.py

@@ -104,7 +104,7 @@ class DatabaseRestApi(BaseSupersetModelRestApi):
         "cache_timeout",
         "expose_in_sqllab",
         "allow_run_async",
-        "allow_csv_upload",
+        "allow_file_upload",
         "configuration_method",
         "allow_ctas",
         "allow_cvas",
@@ -121,7 +121,7 @@ class DatabaseRestApi(BaseSupersetModelRestApi):
         "sqlalchemy_uri",
     ]
     list_columns = [
-        "allow_csv_upload",
+        "allow_file_upload",
         "allow_ctas",
         "allow_cvas",
         "allow_dml",
@@ -148,7 +148,7 @@ class DatabaseRestApi(BaseSupersetModelRestApi):
         "cache_timeout",
         "expose_in_sqllab",
         "allow_run_async",
-        "allow_csv_upload",
+        "allow_file_upload",
         "allow_ctas",
         "allow_cvas",
         "allow_dml",
@@ -164,7 +164,7 @@ class DatabaseRestApi(BaseSupersetModelRestApi):
 
     list_select_columns = list_columns + ["extra", "sqlalchemy_uri", "password"]
     order_columns = [
-        "allow_csv_upload",
+        "allow_file_upload",
         "allow_dml",
         "allow_run_async",
         "changed_on",