[acl-loader] Add no_default_deny_rule option to acl-loader

[bingwang-ms]

Signed-off-by: bingwang bingwang@microsoft.com

This PR is to add a new option no_default_deny_rule to acl-loader.
The script will not create default deny rules when loading acl file when no_default_deny_rule is set.
This optional is optional, and the default value is False. So the default behavior is not changed.

What I did

Fix #2026
Add a new option no_default_deny_rule to acl-loader.

How I did it

Add an optional option.

How to verify it

1. Vefified by UT
2. Verified by running the new script on a testbed.

Previous command output (if the output of a command-line utility has changed)

Usage: acl-loader update full [OPTIONS] FILENAME

  Full update of ACL rules configuration. If a table_name is provided, the
  operation will be restricted in the specified table. 

Options:
  --table_name TEXT
  --session_name TEXT
  --mirror_stage [ingress|egress]
  --max_priority INTEGER
  --help                          Show this message and exit.

New command output (if the output of a command-line utility has changed)

Usage: acl-loader update full [OPTIONS] FILENAME

  Full update of ACL rules configuration. If a table_name is provided, the
  operation will be restricted in the specified table. The default deny
  rules will be applied to ingress ACL table unless no_default_deny_rule is
  set.

Options:
  --table_name TEXT
  --session_name TEXT
  --mirror_stage [ingress|egress]
  --max_priority INTEGER
  --no_default_deny_rule
  --help                          Show this message and exit.

[bingwang-ms]

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