feat: enable soft delete for organizations (#16584)

- Add deleted column to organizations table
- Add trigger to check for existing workspaces, templates, groups and
members in a org before allowing the soft delete

---------

Co-authored-by: Steven Masley <stevenmasley@gmail.com>
Co-authored-by: Steven Masley <Emyrk@users.noreply.github.com>

enterprise/coderd/groups.go

@@ -440,7 +440,10 @@ func (api *API) groups(rw http.ResponseWriter, r *http.Request) {
 	parser := httpapi.NewQueryParamParser()
 	// Organization selector can be an org ID or name
 	filter.OrganizationID = parser.UUIDorName(r.URL.Query(), uuid.Nil, "organization", func(orgName string) (uuid.UUID, error) {
-		org, err := api.Database.GetOrganizationByName(ctx, orgName)
+		org, err := api.Database.GetOrganizationByName(ctx, database.GetOrganizationByNameParams{
+			Name:    orgName,
+			Deleted: false,
+		})
 		if err != nil {
 			return uuid.Nil, xerrors.Errorf("organization %q not found", orgName)
 		}