Search stats for coordinator node misses total search request time

[jainankitk]

Currently, the coordinator node only publishes the phase breakdown metrics. It should also publish the total search request time as part of node stats on the coordinator node

Related #8381, #8386

[jainankitk]

@dzane17 - Are you able to take stab at this one?

[msfroh]

Is this likely to be different from the took time? If so, how?

[msfroh]

Is this likely to be different from the took time? If so, how?

Oh... This is for the stats as opposed to the debugging info reported in SearchResponse?

[jainankitk]

Oh... This is for the stats as opposed to the debugging info reported in SearchResponse?

Yeah, I missed that in the initial PR!

[dzane17]

Yes, I will take care of it

[jainankitk]

@dzane17 - Have we already addressed this issue?