fix: enhance success and failure reporting in StartDebuggerTool #118

Job	Run time
Build and Test (ubuntu-latest, 20.x)	1m 40s
Build and Test (windows-latest, 20.x)	2m 39s
Build and Test (macos-latest, 20.x)	1m 33s
Package Extension	0s
Publish to VS Code Marketplace	0s
Auto Release	0s
Build and Test (windows-latest, 20.x)	2m 36s
Build and Test (ubuntu-latest, 20.x)	1m 40s
Build and Test (macos-latest, 20.x)	1m 33s
Package Extension	27s
Auto Release	20s
Publish to VS Code Marketplace	31s
	12m 59s

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