Merge branch 'network-policy-editor-drawer' into 'master'

...ipts/threat_monitoring/components/network_policy_list.vue

...s/threat_monitoring/components/policy_editor/constants.js

...reat_monitoring/components/policy_editor/lib/from_yaml.js

...threat_monitoring/components/policy_editor/lib/to_yaml.js

...eat_monitoring/components/policy_editor/policy_drawer.vue

...at_monitoring/components/policy_editor/policy_preview.vue

...components/__snapshots__/network_policy_list_spec.js.snap

.../threat_monitoring/components/network_policy_list_spec.js

...ts/policy_editor/__snapshots__/policy_drawer_spec.js.snap

...ts/policy_editor/__snapshots__/policy_editor_spec.js.snap

...s/policy_editor/__snapshots__/policy_preview_spec.js.snap

...t_monitoring/components/policy_editor/lib/to_yaml_spec.js

...monitoring/components/policy_editor/policy_drawer_spec.js

...monitoring/components/policy_editor/policy_editor_spec.js

...onitoring/components/policy_editor/policy_preview_spec.js