fix(ut): fix flaky console tests

[qweeah]

What this PR does / why we need it:
This PR fixes flaky console unit tests. To reproduce the flaky tests, try

go test -count=1000 -run ^TestConsole_Save$ oras.land/oras/cmd/oras/internal/display/status/console

PTY output might be interrupted by unexpected error like console_test.go:134: Save output error: failed to find "^[[?25l^[7^[[0m" in ""

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 #1543

Please check the following list:

• Does the affected code have corresponding tests, e.g. unit test, E2E test?
• Does this change require a documentation update?
• Does this introduce breaking changes that would require an announcement or bumping the major version?
• Do all new files have an appropriate license header?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.96%. Comparing base (76eadf2) to head (10175f1).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1544   +/-   ##
=======================================
  Coverage   83.96%   83.96%           
=======================================
  Files         119      119           
  Lines        5306     5306           
=======================================
  Hits         4455     4455           
  Misses        604      604           
  Partials      247      247           

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[TerryHowe]

/lgtm