fmt: cargo fmt sweep across drifted files

No behavior change — purely whitespace/line-break cleanup that had
accumulated since the last format run.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/memories.rs

@@ -213,10 +213,7 @@ pub fn extract_date_from_filename(filename: &str) -> Option<DateTime<FixedOffset
         // dispatch on the source-app prefix instead.
         const NON_TIMESTAMP_PREFIXES: &[&str] = &["snapchat-"];
         let lower = filename.to_ascii_lowercase();
-        if NON_TIMESTAMP_PREFIXES
-            .iter()
-            .any(|p| lower.starts_with(p))
-        {
+        if NON_TIMESTAMP_PREFIXES.iter().any(|p| lower.starts_with(p)) {
             return None;
         }