issue reporter command enhancements

[justschen]

adds command with template, data, and uri strings to be accepted from the command.

example:

export function openIssueReporter() {
	vscode.commands.executeCommand('workbench.action.openIssueReporter', {
		extensionId: 'ms-python.python',
		issueTitle: 'title here',
		command: {
			template: templateString,
			data: dataString,
			uri: Uri.parse('https://github.com/microsoft/vscode-copilot-release').toString(),
		}
	});
}