newlines inside @supports are the same as outside

src/output.rs

@@ -620,7 +620,7 @@ impl Formatter for ExpandedFormatter {
                     }
 
                     writeln!(buf, " {{")?;
-                    let css = Css::from_stmts(body, AtRuleContext::Supports, css.allows_charset)?;
+                    let css = Css::from_stmts(body, AtRuleContext::None, css.allows_charset)?;
                     self.write_css(buf, css, map)?;
                     write!(buf, "\n{}}}", padding)?;
                 }

tests/supports.rs

@@ -27,3 +27,26 @@ test!(
     }",
     "@supports (-ms-ime-align: auto) {\n  a {\n    color: red;\n  }\n\n  b {\n    color: green;\n  }\n}\n"
 );
+test!(
+    no_newline_after_media,
+    "@supports (position: sticky) {
+      a {
+        color: red;
+      }
+    
+      @media (min-width: 576px) {
+        a {
+          color: red;
+        }
+    
+        a {
+          color: red;
+        }
+      }
+    
+      a {
+        color: red;
+      }
+    }",
+    "@supports (position: sticky) {\n  a {\n    color: red;\n  }\n\n  @media (min-width: 576px) {\n    a {\n      color: red;\n    }\n\n    a {\n      color: red;\n    }\n  }\n  a {\n    color: red;\n  }\n}\n"
+);