"Math" aggregation not working at all for table view.
Steps to reproduce:
- Open
TSVB and go to Table tab
- Configure some Math aggregation like e.g

Expected result:
Table should contain some data
Actual result:

Console log:
│ proc [kibana] TypeError: extractFields is not a function
│ proc [kibana] at getSplits (/Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_splits.js:26:46)
│ proc [kibana] at /Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/series/math.js:30:26
│ proc [kibana] at next (/Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/math.js:14:12)
│ proc [kibana] at next (/Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_sibling.js:17:47)
│ proc [kibana] at /Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_metric.js:43:12
│ proc [kibana] at runMicrotasks (<anonymous>)
│ proc [kibana] at processTicksAndRejections (internal/process/task_queues.js:95:5)
│ proc [kibana] at /Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.js:50:30
│ proc [kibana] at async Promise.all (index 0)
│ proc [kibana] at /Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.js:28:20
│ proc [kibana] at async Promise.all (index 0)
│ proc [kibana] at getTableData (/Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/lib/vis_data/get_table_data.ts:100:20)
│ proc [kibana] at async Promise.all (index 0)
│ proc [kibana] at /Users/Documents/Kibana/src/plugins/vis_type_timeseries/server/routes/vis.ts:36:23
│ proc [kibana] at Router.handle (/Users/Documents/Kibana/src/core/server/http/router/router.ts:273:30)
│ proc [kibana] at handler (/Users/Documents/Kibana/src/core/server/http/router/router.ts:228:11)
"Math" aggregation not working at all for table view.
Steps to reproduce:
TSVBand go toTabletabExpected result:
Table should contain some data
Actual result:

Console log: