MM-53028 - Swap out todo plugin with snow in onboarding (#23681)

* swap out todo plugin with snow in onboarding

* Updating servicenow svg

* update name to be single word

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Co-authored-by: Asaad Mahmood <asaadmahmood@users.noreply.github.com>

server/Makefile

@@ -168,6 +168,7 @@ PLUGIN_PACKAGES += mattermost-plugin-jenkins-v1.1.0
 PLUGIN_PACKAGES += mattermost-plugin-jira-v3.2.5
 PLUGIN_PACKAGES += mattermost-plugin-jitsi-v2.0.1
 PLUGIN_PACKAGES += mattermost-plugin-nps-v1.3.2
+PLUGIN_PACKAGES += mattermost-plugin-servicenow-v2.3.4
 PLUGIN_PACKAGES += mattermost-plugin-todo-v0.6.1
 PLUGIN_PACKAGES += mattermost-plugin-welcomebot-v1.3.0
 PLUGIN_PACKAGES += mattermost-plugin-zoom-v1.6.0