Fix line breaking for attributes in inheritance clauses by grouping them with their type

Author: TTOzzi

Sources/SwiftFormat/PrettyPrint/TokenStreamCreator.swift

@@ -2357,7 +2357,9 @@ fileprivate final class TokenStreamCreator: SyntaxVisitor {
   }
 
   override func visit(_ node: InheritedTypeSyntax) -> SyntaxVisitorContinueKind {
+    before(node.firstToken(viewMode: .sourceAccurate), tokens: .open)
     after(node.trailingComma, tokens: .break(.same))
+    after(node.lastToken(viewMode: .sourceAccurate), tokens: .close)
     return .visitChildren
   }
 

Tests/SwiftFormatTests/PrettyPrint/AttributeTests.swift

@@ -623,4 +623,25 @@ final class AttributeTests: PrettyPrintTestCase {
 
     assertPrettyPrintEqual(input: input, expected: expected, linelength: 45)
   }
+
+  func testAttributeLineBreakInInheritanceClause() {
+    let input =
+      """
+      public class MyClass: Foo, @unchecked Sendable, Bar {
+        // …
+      }
+
+      """
+    let expected =
+      """
+      public class MyClass: Foo,
+        @unchecked Sendable, Bar
+      {
+        // …
+      }
+
+      """
+
+    assertPrettyPrintEqual(input: input, expected: expected, linelength: 45)
+  }
 }