feat: install required packages for loading command automatically

[snitin315]

What kind of change does this PR introduce?
feature

Did you add tests for your changes?
WIP in tests
If relevant, did you update the documentation?
NA
Summary

#2809 (comment)

Does this PR introduce a breaking change?
No

Other information
No

[snitin315]

smoke tests passing locally 😞.

[alexander-akait]

hm, do you think it is better do for all commands? I think it will be good for init only, but I am fine with install all by default

[snitin315]

Yes, we should do it for all.

[codecov]

Codecov Report

Merging #2815 (88d24d9) into master (3e2bb73) will decrease coverage by 0.08%.
The diff coverage is 80.00%.

@@            Coverage Diff             @@
##           master    #2815      +/-   ##
==========================================
- Coverage   95.01%   94.93%   -0.09%     
==========================================
  Files          31       32       +1     
  Lines        1706     1717      +11     
  Branches      498      500       +2     
==========================================
+ Hits         1621     1630       +9     
- Misses         85       87       +2     

Impacted Files	Coverage Δ
...kages/webpack-cli/lib/utils/prompt-installation.js	76.92% <71.42%> (+1.92%)	⬆️
packages/webpack-cli/lib/webpack-cli.js	96.87% <100.00%> (+<0.01%)	⬆️
packages/webpack-cli/lib/utils/run-command.js	75.00% <0.00%> (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 3e2bb73...88d24d9. Read the comment docs.

[snitin315]

/cc @webpack/cli-team, Can someone check it locally on Linux/windows, all tests are passing on my macOS. (Missing prettier smoketests specially)

[alexander-akait]

@snitin315 Do we need this, I just checked and we don't ask about installation when I use webpack init