Avoid disk resize during Linode creation

[bcm820]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• adds or updates e2e tests

[codecov]

Codecov Report

Attention: Patch coverage is 86.23853% with 15 lines in your changes are missing coverage. Please review.

Project coverage is 55.52%. Comparing base (4210732) to head (ed69da7).

Files	Patch %	Lines
controller/linodemachine_controller.go	86.23%	8 Missing and 7 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #216      +/-   ##
==========================================
+ Coverage   53.83%   55.52%   +1.69%     
==========================================
  Files          27       27              
  Lines        1566     1547      -19     
==========================================
+ Hits          843      859      +16     
+ Misses        673      649      -24     
+ Partials       50       39      -11     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.