chore(install): Improve network error detection and messaging

[rthorn-nr]

Moves the call to checkNetwork() from inside the installer to before fetching the license key. Also adds more descriptive and helpful error messages if checkNetwork() fails.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (main@33e8e38). Click here to learn what that means.
The diff coverage is 0.00%.

❗ Current head 0a2dfa3 differs from pull request most recent head 5dfd621. Consider uploading reports for the commit 5dfd621 to get more accurate results

@@           Coverage Diff           @@
##             main    #1438   +/-   ##
=======================================
  Coverage        ?   47.54%           
=======================================
  Files           ?      120           
  Lines           ?     7174           
  Branches        ?        0           
=======================================
  Hits            ?     3411           
  Misses          ?     3627           
  Partials        ?      136           

Impacted Files	Coverage Δ
internal/install/command.go	8.75% <0.00%> (ø)
internal/install/recipe_installer.go	78.03% <0.00%> (ø)

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