use_fast_upload=True as default everywhere

Related: https://pagure.io/koji/issue/3529

koji/__init__.py

@@ -1960,7 +1960,7 @@ def read_config(profile_name, user_config=None):
         'offline_retry_interval': 20,
         'timeout': DEFAULT_REQUEST_TIMEOUT,
         'auth_timeout': DEFAULT_AUTH_TIMEOUT,
-        'use_fast_upload': False,
+        'use_fast_upload': True,
         'upload_blocksize': 1048576,
         'poll_interval': 6,
         'principal': None,

tests/test_cli/test_get_options.py

@@ -21,7 +21,7 @@ class TestGetOptions(unittest.TestCase):
                             'topurl': None, 'pkgurl': None, 'topdir': '/mnt/koji',
                             'max_retries': 30, 'retry_interval': 20, 'anon_retry': False,
                             'offline_retry': False, 'offline_retry_interval': 20,
-                            'timeout': 50000, 'auth_timeout': 60, 'use_fast_upload': False,
+                            'timeout': 50000, 'auth_timeout': 60, 'use_fast_upload': True,
                             'upload_blocksize': 1048576, 'poll_interval': 6, 'principal': None,
                             'keytab': None, 'cert': None, 'serverca': None, 'no_ssl_verify': False,
                             'authtype': None, 'debug': False, 'debug_xmlrpc': False, 'pyver': None,

tests/test_lib/test_grab_session_options.py

@@ -14,7 +14,7 @@ NORMAL_VAL = {'user': 'jdoe',
               'offline_retry_interval': 300,
               'anon_retry': True,
               'timeout': 30000,
-              'use_fast_upload': False,
+              'use_fast_upload': True,
               'upload_blocksize': 1024,
               'no_ssl_verify': True,
               'serverca': '/fake/serverca.cert',