Avoid potential activation failure when no workspace is opened

[apupier]

2025-01-21 14:54:53.619 [info] ExtensionService#_doActivateExtension redhat.vscode-debug-adapter-apache-camel, startup: false, activationEvent: 'onStartupFinished', root cause: redhat.vscode-kaoto
2025-01-21 14:54:59.972 [error] TypeError: Cannot read properties of undefined (reading '0')
	at CamelJBangTaskProvider.handleMissingXslFiles (d:\a\vscode-kaoto\vscode-kaoto\.vscode-test\extensions\redhat.vscode-debug-adapter-apache-camel-1.5.0\out\task\CamelJBangTaskProvider.js:227:81)
	at CamelJBangTaskProvider.getExtraLaunchParameter (d:\a\vscode-kaoto\vscode-kaoto\.vscode-test\extensions\redhat.vscode-debug-adapter-apache-camel-1.5.0\out\task\CamelJBangTaskProvider.js:216:25)
	at CamelJBangTaskProvider.createRunWithDebugTask (d:\a\vscode-kaoto\vscode-kaoto\.vscode-test\extensions\redhat.vscode-debug-adapter-apache-camel-1.5.0\out\task\CamelJBangTaskProvider.js:172:21)
	at CamelJBangTaskProvider.createTask (d:\a\vscode-kaoto\vscode-kaoto\.vscode-test\extensions\redhat.vscode-debug-adapter-apache-camel-1.5.0\out\task\CamelJBangTaskProvider.js:46:29)
	at CamelJBangTaskProvider.provideTasks (d:\a\vscode-kaoto\vscode-kaoto\.vscode-test\extensions\redhat.vscode-debug-adapter-apache-camel-1.5.0\out\task\CamelJBangTaskProvider.js:33:25)
	at file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:122:53653
	at file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:31:70494
	at new Promise (<anonymous>)
	at sr (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:31:70466)
	at ab.$provideTasks (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:122:53635)
	at Dy.S (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:32:115275)
	at Dy.Q (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:32:115055)
	at Dy.M (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:32:114144)
	at Dy.L (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:32:113249)
	at kh.value (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:32:112046)
	at P.B (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:30:746)
	at P.fire (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:30:964)
	at Vn.fire (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:32:9457)
	at kh.value (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:175:13296)
	at P.B (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:30:746)
	at P.fire (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:30:964)
	at Vn.fire (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:32:9457)
	at MessagePortMain.<anonymous> (file:///d:/a/vscode-kaoto/vscode-kaoto/.vscode-test/vscode-win32-x64-archive-1.96.4/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:175:11588)
	at MessagePortMain.emit (node:events:518:28)
	at MessagePortMain._internalPort.emit (node:electron/js2c/utility_init:2:2949)

for a test, see https://issues.redhat.com/browse/FUSETOOLS2-2534

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud