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:

• [x] 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[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

Additional details and impacted files

```diff @@ 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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