Apply suggestions from code review

Co-authored-by: Andrew Eisenberg <aeisenberg@github.com>

Author: reitowo

extensions/ql-vscode/package.json

@@ -841,7 +841,7 @@
       },
       {
         "command": "codeQL.chooseDatabaseFoldersParent",
-        "title": "CodeQL: Choose Folder to import all databases contained in it"
+        "title": "CodeQL: Choose Parent Folder and import all databases directly contained in it"
       },
       {
         "command": "codeQL.chooseDatabaseArchive",

extensions/ql-vscode/src/databases/local-databases-ui.ts

@@ -1041,7 +1041,7 @@ export class DatabaseUI extends DisposableObject {
       void showAndLogErrorMessage(
         this.app.logger,
         `Failed to import ${failures.length} database(s), successfully imported ${databases.length} database(s).`,
-        { fullMessage: `Failed folders to import:\n${failures.join("\n")}` },
+        { fullMessage: `Failed to import ${failures.length} database(s), successfully imported ${databases.length} database(s). Failed folders to import:\n  ${failures.join("\n  ")}` },
       );
     } else if (databases.length === 0) {
       void showAndLogErrorMessage(