Add base argument to salt-ssh grains wrapper for filter_by func

[rallytime]

What does this PR do?

Adds the base kwarg to the grains.filter_by function in the salt-ssh wrapper.

What issues does this PR fix or reference?

Fixes #33911

Previous Behavior

root@rallytime:~# salt-ssh -i rally-ssh state.sls example
[ERROR   ] Rendering exception occurred: Jinja error: filter_by() got an unexpected keyword argument 'base'
Traceback (most recent call last):
  File "/root/SaltStack/salt/salt/utils/templates.py", line 366, in render_jinja_tmpl
    output = template.render(**decoded_context)
  File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 989, in render
    return self.environment.handle_exception(exc_info, True)
  File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 754, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "<template>", line 1, in top-level template code
TypeError: filter_by() got an unexpected keyword argument 'base'

; line 1

---
{% set test = salt['grains.filter_by']({    <======================
    'default': {'foo': 'bar'},
}, base='default') %}

test-it:
  file.managed:
[...]

---
[CRITICAL] Rendering SLS 'base:example' failed: Jinja error: filter_by() got an unexpected keyword argument 'base'
Traceback (most recent call last):
  File "/root/SaltStack/salt/salt/utils/templates.py", line 366, in render_jinja_tmpl
    output = template.render(**decoded_context)
  File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 989, in render
    return self.environment.handle_exception(exc_info, True)
  File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 754, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "<template>", line 1, in top-level template code
TypeError: filter_by() got an unexpected keyword argument 'base'

; line 1

---
{% set test = salt['grains.filter_by']({    <======================
    'default': {'foo': 'bar'},
}, base='default') %}

test-it:
  file.managed:
[...]

---
rally-ssh:
    - Rendering SLS 'base:example' failed: Jinja error: filter_by() got an unexpected keyword argument 'base'
      Traceback (most recent call last):
        File "/root/SaltStack/salt/salt/utils/templates.py", line 366, in render_jinja_tmpl
          output = template.render(**decoded_context)
        File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 989, in render
          return self.environment.handle_exception(exc_info, True)
        File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 754, in handle_exception
          reraise(exc_type, exc_value, tb)
        File "<template>", line 1, in top-level template code
      TypeError: filter_by() got an unexpected keyword argument 'base'

      ; line 1

      ---
      {% set test = salt['grains.filter_by']({    <======================
          'default': {'foo': 'bar'},
      }, base='default') %}

      test-it:
        file.managed:
      [...]
      ---

New Behavior

root@rallytime:~# salt-ssh -i rally-ssh state.sls example
rally-ssh:
----------
          ID: test-it
    Function: file.managed
        Name: /tmp/bar
      Result: True
     Comment: Empty file
     Started: 22:33:08.496032
    Duration: 45.968 ms
     Changes:
              ----------
              new:
                  file /tmp/bar created

Summary for rally-ssh
------------
Succeeded: 1 (changed=1)
Failed:    0
------------
Total states run:     1

Tests written?

No

[cachedout]

Very nicely done!