🐛 fix shell command panic

[imilchev]

the shell command panics when multiple assets are discovered and you do ctrl + C without selecting an asset. This fixes the issue.

[chris-rock]

Thank you @imilchev

[github-actions]

Test Results

2 804 tests  ±0   2 803 ✅ ±0   51s ⏱️ +3s
  186 suites ±0       1 💤 ±0 
    5 files   ±0       0 ❌ ±0 

Results for commit b809aef. ± Comparison against base commit 123b57d.

This pull request removes 6 and adds 6 tests. Note that renamed tests count towards both.

go.mondoo.com/cnquery/v10/llx ‑ TestRawData_JSON/0001-01-01_00:53:28_+0053_LMT
go.mondoo.com/cnquery/v10/llx ‑ TestRawData_JSON/292277026596-12-04_16:23:37_+0053_LMT
go.mondoo.com/cnquery/v10/llx ‑ TestRawData_JSON/292277026596-12-04_16:30:07_+0100_CET
go.mondoo.com/cnquery/v10/llx ‑ TestSuccess/2024-02-21_16:42:38.466092737_+0100_CET_m=+0.007909480
go.mondoo.com/cnquery/v10/llx ‑ TestTruthy/2024-02-21_16:42:38.466092737_+0100_CET_m=+0.007909480
go.mondoo.com/cnquery/v10/llx ‑ TestTruthy/2024-02-21_16:42:38.466092737_+0100_CET_m=+0.007909480#01

go.mondoo.com/cnquery/v10/llx ‑ TestRawData_JSON/0001-01-01_00:00:00_+0000_UTC
go.mondoo.com/cnquery/v10/llx ‑ TestRawData_JSON/292277026596-12-04_15:30:07_+0000_UTC
go.mondoo.com/cnquery/v10/llx ‑ TestRawData_JSON/292277026596-12-04_15:30:09_+0000_UTC
go.mondoo.com/cnquery/v10/llx ‑ TestSuccess/2024-02-21_12:27:35.040447084_+0000_UTC_m=+0.007676064
go.mondoo.com/cnquery/v10/llx ‑ TestTruthy/2024-02-21_12:27:35.040447084_+0000_UTC_m=+0.007676064
go.mondoo.com/cnquery/v10/llx ‑ TestTruthy/2024-02-21_12:27:35.040447084_+0000_UTC_m=+0.007676064#01