Unify the styles of the command output

[draftcode]

Fixes #324

[aviator-app[bot]]

Current Aviator status

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This PR was merged using Aviator.

Stack

1. 👉 Unify the styles of the command output #328 👈 (this pr)
2. Show help text for the selection prompt #329

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[aviator-app[bot]]

FlexReview Summary

Based on the code complexity and the author's expertise score, these are the suggested reviewers:

• @jainankit (current review load: 4)

See the list of alternate reviewers in the detailed breakdown below.

Detailed Breakdown

Author’s expertise score for the modified files: - `cmd/av/stack_next.go` (1.00) - `cmd/av/stack_reparent.go` (1.00) - `cmd/av/stack_restack.go` (1.00) - `cmd/av/stack_sync.go` (1.00) | Files | Reviewers | | --- | --- | | `cmd/av/stack_reparent.go` †,
`cmd/av/stack_restack.go` †,
`cmd/av/stack_sync.go` † | **`@jainankit`** (score: 0.78, current review load: 4) | † Indicates that the file doesn't need an expert review. [(?)](https://docs.aviator.co/flexreview/concepts/approval-requirements) See full breakdown of the reviewers on the Aviator webapp.

[aviator-app[bot]]

This PR is stacked on top of #327 which was merged. This PR (and its dependents) need to be synchronized on the commit that was merged into master. From your repository, run the following commands:

# Switch to this branch
git checkout stack_sync_style_fix
# Sync this branch (and its children) on top of the merge commit
av stack sync
# Optionally update pull requests to match new stack
av stack submit

[aviator-app[bot]]

Cannot queue this stack as PR #328 is not up-to-date.