Fix java.lang.ClassCastException in TableActionParameter

java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String
	at org.talend.sdk.component.studio.model.parameter.TableActionParameter.parameters(TableActionParameter.java:43)
	at org.talend.sdk.component.studio.model.action.Action.lambda$1(Action.java:93)
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267)
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270)
	at java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1625)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at org.talend.sdk.component.studio.model.action.Action.payload(Action.java:94)
	at org.talend.sdk.component.studio.model.action.SuggestionsAction.callSuggestions(SuggestionsAction.java:39)
	at org.talend.sdk.component.studio.model.action.SuggestionsAction.callback(SuggestionsAction.java:70)
	at org.talend.sdk.component.studio.model.parameter.ValueSelectionParameter.getSuggestionValues(ValueSelectionParameter.java:36)
	at org.talend.sdk.component.studio.ui.composite.controller.TaCoKitValueSelectionController$1$1.run(TaCoKitValueSelectionController.java:56)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)