date: honor narrow width on wide default strftime fields

Author: vishakha1411

src/uu/date/src/format_modifiers.rs

@@ -356,9 +356,9 @@ fn apply_modifiers(
         width
     };
 
-    // Handle width smaller than result: strip default padding to fit
+    // When the requested width is narrower than the default formatted width, GNU first removes default padding and then reapplies the requested width.
     if effective_width > 0 && effective_width < result.len() {
-        return Ok(strip_default_padding(&result));
+        result = strip_default_padding(&result);
     }
 
     // Strip default padding when switching pad characters on numeric fields

tests/by-util/test_date.rs

@@ -1827,7 +1827,6 @@ fn test_date_parenthesis_comment() {
 }
 
 #[test]
-#[ignore = "https://github.com/uutils/coreutils/issues/11660 — GNU date pads to the requested width when it is narrower than the default (e.g. `%02j` on day-1 -> `01`); uutils strips leading zeros to `1`."]
 fn test_date_strftime_narrow_width_on_wide_default() {
     // `%j` has a default width of 3. Requesting `%02j` on day 1 should yield `01`.
     // uutils currently yields `1`.