Agent: groups + variants subviews do not render unless you change their ID values

[mcruz-umich]

https://github.com/specify/specify6/blob/945d28f00288d2d64979848fb2fb63fda34bdd1b/config/backstop/global.views.xml#L879C63-L879C63

Change id="31" to id="groups"
Change id="10" to id="variants"

BEFORE

                <row>
                    <cell type="subview" viewname="GroupPersons" id="31" name="groups" defaulttype="table" colspan="19" />
                    <!--
                    initialize="addsearch=true"/>
                    -->
                </row>
                <row>
                    <cell type="subview" viewname="AgentVariant" id="10" name="variants" colspan="19" />
                </row>

AFTER

                <row>
                    <cell type="subview" viewname="GroupPersons" id="groups" name="groups" defaulttype="table" colspan="19" />
                    <!--
                    initialize="addsearch=true"/>
                    -->
                </row>
                <row>
                    <cell type="subview" viewname="AgentVariant" id="variants" name="variants" colspan="19" />
                </row>