<!--- Verify first that your issue is not already reported on GitHub -->
<!--- Also test if the latest release and devel branch are affected too -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Explain the problem briefly below -->
When having network with spaces in name, the search fails to find it.

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ovirt_network

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
2.8.1
```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```paste below

```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->


##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml
ovirt_network:
    name: Storage - VLAN
    vm_network: False
    vlan_tag: 33
    data_center: Default
    description: Storage with VLAN Tagging
    comment: Storage with VLAN Tagging
    clusters:
      - name: Default
        required: False
        migration: True
```

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##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->


##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->

<!--- Paste verbatim command output between quotes -->
```paste below
ovirtsdk4.Error: Fault reason is "Operation Failed". Fault detail is "[Cannot add Network. The name of the logical network 'Storage - VLAN 33' is already used by an existing logical network in the same data-center.
```

The problem is that in oVirt API searching object with spaces in name, it won't find it. We need to quote the search string.
search_params=None,
        **kwargs
    ):
        """
        This method is executed when we want to change the state of some oVirt
        entity. The action to be executed on oVirt service is specified by
        `action` parameter. Whether the action should be executed can be
        specified by passing `action_condition` parameter. State which the
        entity should be in after execution of the action can be specified
        by `wait_condition` parameter.
        Function executed before an action on entity can optionally be specified
        in `pre_action` parameter. Function executed after an action on entity can
        optionally be specified in `post_action` parameter.
        :param action: Action which should be executed by service on entity.
        :param entity: Entity we want to run action on.
        :param action_condition: Function which is executed when checking if action should be executed.
        :param fail_condition: Function which checks incorrect state of entity, if it returns `True` Exception is raised.
        :param wait_condition: Function which is executed when waiting on result state.
        :param pre_action: Function which is executed before running the action.
        :param post_action: Function which is executed after running the action.
        :param search_params: Dictionary of parameters to be used for search.
        :param kwargs: Additional parameters passed to action.
        :return: Dictionary with values returned by Ansible module.
        """
        if entity is None:
            entity = self.search_entity(search_params)
        entity = pre_action(entity)
        if entity is None:
            self._module.fail_json(
                msg="Entity not found, can't run action '{0}'.".format(