adhere to axis dependencies on combined charts

[mihahribar]

#1830

[codecov-io]

Codecov Report

Merging #2870 into master will decrease coverage by <.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #2870      +/-   ##
==========================================
- Coverage   19.64%   19.63%   -0.01%     
==========================================
  Files         113      113              
  Lines       13792    13798       +6     
==========================================
  Hits         2709     2709              
- Misses      11083    11089       +6

Impacted Files	Coverage Δ
...a/Implementations/Standard/CombinedChartData.swift	0% <0%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8245f32...b9a4e05. Read the comment docs.

[liuxuan30]

Sorry that issue has been a long time and I don't recall a lot. I will revisit this and handle it.
BTW, #2433, #2049 was a PR already.

[mihahribar]

No problem. Am currently using my own fork but will update once other PRs are closed. Thanks for taking the time.