MemoryLimiterProcessor - switch to MustNewID instead of zero value ID (…

…#10128)

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Ex. Adding a feature - Explain what this achieves.-->
#### Description
In an upcoming PR, I change Type to be an interface. This means the zero
value of Type will be nil - which will cause this test to fail.
Initializing ID instead of relying on the zero value fixes this

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#### Link to tracking issue
related to
#9429


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In preparation for
#10069

processor/memorylimiterprocessor/memorylimiter_test.go

@@ -56,7 +56,9 @@ func TestNoDataLoss(t *testing.T) {
 	limiter, err := newMemoryLimiterProcessor(set, cfg)
 	require.NoError(t, err)
 
-	processor, err := processorhelper.NewLogsProcessor(context.Background(), processor.CreateSettings{}, cfg, exporter,
+	processor, err := processorhelper.NewLogsProcessor(context.Background(), processor.CreateSettings{
+		ID: component.MustNewID("nop"),
+	}, cfg, exporter,
 		limiter.processLogs,
 		processorhelper.WithStart(limiter.start),
 		processorhelper.WithShutdown(limiter.shutdown))