Do not add label to task commands by default

Fixes #69844

src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts

@@ -422,7 +422,7 @@ taskDescription.default = {
 	problemMatcher: []
 };
 definitions.showOutputType.deprecationMessage = nls.localize(
-	'JsonSchema.tasks.showOputput.deprecated',
+	'JsonSchema.tasks.showOutput.deprecated',
 	'The property showOutput is deprecated. Use the reveal property inside the presentation property instead. See also the 1.14 release notes.'
 );
 taskDescriptionProperties.echoCommand.deprecationMessage = nls.localize(

src/vs/workbench/contrib/tasks/common/taskConfiguration.ts

@@ -1079,7 +1079,7 @@ namespace CommandConfiguration {
 			value.args = EMPTY_ARRAY;
 		}
 		if (value.suppressTaskName === undefined) {
-			value.suppressTaskName = false;
+			value.suppressTaskName = (context.schemaVersion === Tasks.JsonSchemaVersion.V2_0_0);
 		}
 	}
 
@@ -1711,7 +1711,7 @@ namespace Globals {
 		}
 		CommandConfiguration.fillDefaults(value.command, context);
 		if (value.suppressTaskName === undefined) {
-			value.suppressTaskName = false;
+			value.suppressTaskName = (context.schemaVersion === Tasks.JsonSchemaVersion.V2_0_0);
 		}
 		if (value.promptOnClose === undefined) {
 			value.promptOnClose = true;