Fix failure in filterItemFunc while updating Matrix rooms and looking for Gitter room sd

Fix failure in filterItemFunc while updating Matrix rooms and looking for Gitter room sd

2023-02-02T06:27:58.933Z - error: Error occured while updating bridged rooms message=Cannot read property 'type' of undefined, stack=TypeError: Cannot read property 'type' of undefined
    at concurrentQueue.processFromGenerator.async.value (./scripts/utils/ensure-existing-bridged-matrix-rooms-up-to-date.js:155:25)
    at ConcurrentQueue._processItem (./scripts/utils/gitter-to-matrix-historical-import/concurrent-queue.js:123:9)
    at ./scripts/utils/gitter-to-matrix-historical-import/concurrent-queue.js:83:22
    at async Promise.all (index 5)
    at async ConcurrentQueue.processFromGenerator (./scripts/utils/gitter-to-matrix-historical-import/concurrent-queue.js:102:5)
    at async updateAllRooms (./scripts/utils/ensure-existing-bridged-matrix-rooms-up-to-date.js:147:3)
    at async run (./scripts/utils/ensure-existing-bridged-matrix-rooms-up-to-date.js:240:5), name=TypeError

Example room without a security descriptor: 564793c016b6c7089cbab9b4

db.troupes.findOne({ _id: ObjectId('564793c016b6c7089cbab9b4') })
{
	"_id" : ObjectId("564793c016b6c7089cbab9b4"),
	"githubId" : 46145300,
	"githubType" : "REPO",
	"userCount" : 0,
	"dateLastSecurityCheck" : ISODate("2015-11-14T20:04:16.540Z"),
	"security" : "PUBLIC",
	"topic" : "",
	"uri" : "/influyentes.org",
	"lcOwner" : "",
	"lcUri" : "/influyentes.org",
	"__v" : 1,
	"_tv" : 1,
	"bans" : [ ],
	"oneToOneUsers" : [ ],
	"providers" : [ ],
	"status" : "ACTIVE",
	"tags" : [ ],
	"renamedLcUris" : [
		"citizensproject/citizens"
	]
}

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Part of #2857 (closed)