[BUG] Can not return vertex/edge in procedure

[zhanglei1949]

Exception in thread "main" java.lang.UnsupportedOperationException: can not convert RelDataType [Graph_Schema_Type(labels=[VertexLabel(Paper)], properties=[BIGINT id, CHAR(1) conference, CHAR(1) CCFRank, CHAR(1) CCFField, INTEGER year, CHAR(1) paper])] to GSDataTypeDesc at com.alibaba.graphscope.common.ir.meta.schema.GSDataTypeConvertor$Factory$2.convert(GSDataTypeConvertor.java:257) at com.alibaba.graphscope.common.ir.meta.schema.GSDataTypeConvertor$Factory$2.convert(GSDataTypeConvertor.java:103) at com.alibaba.graphscope.common.ir.meta.procedure.StoredProcedureMeta$Serializer.lambda$createProduceMetaMap$1(StoredProcedureMeta.java:191) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at com.alibaba.graphscope.common.ir.meta.procedure.StoredProcedureMeta$Serializer.createProduceMetaMap(StoredProcedureMeta.java:193) at com.alibaba.graphscope.common.ir.meta.procedure.StoredProcedureMeta$Serializer.perform(StoredProcedureMeta.java:153) at com.alibaba.graphscope.common.ir.tools.GraphPlanner.main(GraphPlanner.java:244)