Fix azdata API check when webpacked (#16505)

extensions/sql-database-projects/src/common/utils.ts

@@ -367,6 +367,10 @@ export function timeConversion(duration: number): string {
 let azdataApi: typeof azdataType | undefined = undefined;
 try {
 	azdataApi = require('azdata');
+	if (!azdataApi?.version) {
+		// webpacking makes the require return an empty object instead of throwing an error so make sure we clear the var
+		azdataApi = undefined;
+	}
 } catch {
 	// no-op
 }