encode overload declaration references into render references (#822)

rdar://117805293

Author: QuietMisdreavus

Sources/SwiftDocC/Model/Rendering/RenderSectionTranslator/DeclarationsSectionTranslator.swift

@@ -1,7 +1,7 @@
 /*
  This source file is part of the Swift.org open source project
 
- Copyright (c) 2021-2023 Apple Inc. and the Swift project authors
+ Copyright (c) 2021-2024 Apple Inc. and the Swift project authors
  Licensed under Apache License v2.0 with Runtime Library Exception
 
  See https://swift.org/LICENSE.txt for license information
@@ -58,6 +58,9 @@ struct DeclarationsSectionTranslator: RenderSectionTranslator {
                             identifier: overloadReference.absoluteString
                         )
                     )
+
+                    // Add a topic reference to the overload
+                    renderNodeTranslator.collectedTopicReferences.append(overloadReference)
                 }
                 return .init(declarations: otherDeclarations, displayIndex: overloads.displayIndex)
             }

Tests/SwiftDocCTests/Rendering/RenderNodeTranslatorTests.swift

@@ -1,7 +1,7 @@
 /*
  This source file is part of the Swift.org open source project
 
- Copyright (c) 2021-2022 Apple Inc. and the Swift project authors
+ Copyright (c) 2021-2024 Apple Inc. and the Swift project authors
  Licensed under Apache License v2.0 with Runtime Library Exception
 
  See https://swift.org/LICENSE.txt for license information
@@ -1434,6 +1434,8 @@ class RenderNodeTranslatorTests: XCTestCase {
 
             for (otherIndex, otherReference) in overloadReferences.indexed() where otherIndex != index {
                 XCTAssertTrue(otherDeclarations.declarations.contains(where: { $0.identifier == otherReference.absoluteString }))
+
+                XCTAssert(renderNode.references.keys.contains(otherReference.absoluteString))
             }
         }
     }