### What changes were proposed in this pull request?
`TransportClientFactory` registers netty memory metric with source of `TransportContext` for shared pooled ByteBuf allocator.
Address https://github.com/apache/celeborn/pull/2585#issuecomment-2183720137.
### Why are the changes needed?
The default value of `celeborn.network.memory.allocator.share` is true, which means that enables shared memory allocator at default. Meanwhile, `RpcEnv#create` does not create `TransportClientFactory` with source, which cause lack of `NettyMemoryMetric` for `TransportClientFactory`.
Therefore, `TransportClientFactory` should also register `NettyMemoryMetric` with `WorkerSource` of `TransportContext` for netty memory metrics of shared pooled memory.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
- `celeborn.network.memory.allocator.allowCache=false`
```
$ curl http://celeborn-worker:9096/metrics|grep metrics_shared_pool_used
metrics_shared_pool_1_usedHeapMemory_Value{hostName="celeborn-worker",role="Worker"} 29360128 1722505389446
metrics_shared_pool_1_usedDirectMemory_Value{hostName="celeborn-worker",role="Worker"} 188743680 1722505389446
```
- `celeborn.network.memory.allocator.allowCache=true`
```
$ curl http://celeborn-worker:9096/metrics|grep metrics_shared_pool_used
metrics_shared_pool_1_usedHeapMemory_Value{hostName="celeborn-worker",role="Worker"} 8388608 1722505646795
metrics_shared_pool_1_usedDirectMemory_Value{hostName="celeborn-worker",role="Worker"} 8388608 1722505646795
metrics_shared_pool_0_usedHeapMemory_Value{hostName="celeborn-worker",role="Worker"} 281018368 1722505646795
metrics_shared_pool_0_usedDirectMemory_Value{hostName="celeborn-worker",role="Worker"} 1438646272 1722505646796
```
Closes#2652 from SteNicholas/CELEBORN-1473.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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