Merge PR #2334: the slideshow-template cache fix and contributor entry only

Its store.rs, tests_export.rs and tests_folder_drop.rs hunks are covered by #1975 and #1967; resolved to the merged version.

contributors/people.toml

@@ -57,3 +57,7 @@ sync_github_name = false
 [people.egegl]
 real_name = "Ege Gursel"
 sync_github_name = true
+
+[people.mahmatias]
+display_name = "Márcio Matias de Andrade"
+sync_github_name = true

crates/engine/src/tests_slide_template.rs

@@ -248,6 +248,9 @@ fn bad_files_are_reported_and_skipped() {
     }
     std::fs::create_dir_all(folder.join("folder.json")).unwrap();
     std::fs::write(folder.join("notes.txt"), b"ignored").unwrap();
+    // written by hand, not through LightCraft: the folder's time may not have moved since the
+    // save's listing (same clock tick), so the cached listing is dropped as a write would drop it
+    s.slide_templates_cache = None;
     let r = run(&mut s, "slideshow.templates.list", json!({}));
     let user: Vec<_> = r["templates"].as_array().unwrap().iter().filter(|t| t["builtin"] == false).collect();
     assert_eq!(user.len(), 1, "only the good one: {r}");