refactor: improve ux

[evilrobot-01]

Reuse cli module functionality to standardise ux.

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 70.07%. Comparing base (9644bb4) to head (c2a631f).

@@            Coverage Diff             @@
##             main     #235      +/-   ##
==========================================
+ Coverage   70.03%   70.07%   +0.03%     
==========================================
  Files          44       44              
  Lines        6565     6562       -3     
  Branches     6565     6562       -3     
==========================================
  Hits         4598     4598              
+ Misses       1230     1225       -5     
- Partials      737      739       +2     

Files	Coverage Δ
crates/pop-cli/src/commands/new/parachain.rs	45.39% <40.00%> (-0.52%)	⬇️

... and 2 files with indirect coverage changes

[AlexD10S]

I created and Issue to do this refactor for the rest of the commands: #236

[AlexD10S]

There are conflicts after merging #226

[evilrobot-01]

There are conflicts after merging #226

Updated.