style: restore Conjure colors in notes

Tests/ConjureKitTests/NotesEditingTests.swift

@@ -1301,6 +1301,9 @@ func notesFormattingPreservesAttachmentsMarkdownSelectionAndUndo() throws {
         button.performClick(nil)
     }
     window.makeFirstResponder(editor)
+    let undo = try #require(editor.undoManager)
+    undo.groupsByEvent = false
+    undo.beginUndoGrouping()
     editor.insertText("🦊 first\nsecond\nuntouched", replacementRange: editor.selectedRange())
     let selection = NSRange(location: 0, length: "🦊 first\nsecond\n".utf16.count)
     editor.setSelectedRange(selection)
@@ -1335,11 +1338,11 @@ func notesFormattingPreservesAttachmentsMarkdownSelectionAndUndo() throws {
     editor.setSelectedRange(NSRange(location: 0, length: editor.string.utf16.count))
     let before = editor.markdownString
     editor.breakUndoCoalescing()
+    undo.endUndoGrouping()
     editor.undoManager?.removeAllActions()
     try click("Quote")
     try #require(editor.markdownString == "> 🦊 first\n> second\n> untouched\u{fffc}")
     #expect(editor.markdownContents.attribute(.attachment, at: editor.markdownContents.length - 1, effectiveRange: nil) is NSTextAttachment)
-    editor.undoManager?.endUndoGrouping()
     editor.undoManager?.undo()
     try #require(editor.markdownString == before)
     #expect(editor.markdownContents.attribute(.attachment, at: editor.markdownContents.length - 1, effectiveRange: nil) is NSTextAttachment)