[fix][client] Fix incorrect topic in OTel spans for partitioned producers - #25896

[fix][client] Fix incorrect topic in OTel spans for partitioned producers#25896

Technoboy- merged 3 commits into

apache:masterapache/pulsar:masterfrom

void-ptr974:fix-otel-producer-topicvoid-ptr974/pulsar:fix-otel-producer-topicCopy head branch name to clipboard