perf: add user cancel error in add apis

[codecov[bot]]

Codecov Report

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

Project coverage is 45.92%. Comparing base (aaf8820) to head (632e1b5). Report is 1 commits behind head on dev.

Additional details and impacted files

[](https://app.codecov.io/gh/microsoft/vscode-azureapicenter/pull/268?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) ```diff @@ Coverage Diff @@ ## dev #268 +/- ## ========================================== + Coverage 45.63% 45.92% +0.29% ========================================== Files 92 92 Lines 5820 5822 +2 Branches 135 141 +6 ========================================== + Hits 2656 2674 +18 + Misses 3162 3146 -16 Partials 2 2 ``` | [Files with missing lines](https://app.codecov.io/gh/microsoft/vscode-azureapicenter/pull/268?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | Coverage Δ | | |---|---|---| | [src/commands/addDataPlaneApis.ts](https://app.codecov.io/gh/microsoft/vscode-azureapicenter/pull/268?src=pr&el=tree&filepath=src%2Fcommands%2FaddDataPlaneApis.ts&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft#diff-c3JjL2NvbW1hbmRzL2FkZERhdGFQbGFuZUFwaXMudHM=) | `80.85% <100.00%> (+34.04%)` | :arrow_up: | | [...commands/registerApiSubCommands/registerViaCICD.ts](https://app.codecov.io/gh/microsoft/vscode-azureapicenter/pull/268?src=pr&el=tree&filepath=src%2Fcommands%2FregisterApiSubCommands%2FregisterViaCICD.ts&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft#diff-c3JjL2NvbW1hbmRzL3JlZ2lzdGVyQXBpU3ViQ29tbWFuZHMvcmVnaXN0ZXJWaWFDSUNELnRz) | `95.91% <100.00%> (+0.17%)` | :arrow_up: |