clippy: fix char-comparison and map_or lints

(cherry picked from commit 2e393082a744fe85f1ca1f8c6af48ce288e64b6c)

src/bar/stats.rs

@@ -402,7 +402,7 @@ fn read_crumbs_profile() -> Option<String> {
     for line in text.lines() {
         if let Some(rest) = line.trim().strip_prefix("profile") {
             let val = rest
-                .trim_start_matches(|c: char| c == ' ' || c == '=')
+                .trim_start_matches([' ', '='])
                 .trim_matches('"');
             if !val.is_empty() {
                 return Some(val.to_string());

src/main.rs

@@ -1023,7 +1023,7 @@ impl SimpleComponent for App {
 
                     let within_linger = self
                         .media_paused_at
-                        .map_or(true, |t| t.elapsed().as_secs() < 30 * 60);
+                        .is_none_or(|t| t.elapsed().as_secs() < 30 * 60);
                     self.media_last = Some(state);
                     reveal_media(&self.media_widget, within_linger);
                 } else {