Fix duplicated br tags (#2717)

* Adjust test to demo duplicated br tags

* Fix patchDocument duplicating br tags

* Only include w:Pr

* Fix tag condition

---------

Co-authored-by: Dolan <dolan_miu@hotmail.com>

src/patcher/replacer.spec.ts

@@ -62,6 +62,10 @@ export const MOCK_JSON = {
                                     name: "w:t",
                                     elements: [{ type: "text", text: "What a {{bold}} text!" }],
                                 },
+                                {
+                                    type: "element",
+                                    name: "w:br",
+                                },
                             ],
                         },
                     ],
@@ -176,6 +180,10 @@ describe("replacer", () => {
                             name: "w:t",
                             elements: [{ type: "text", text: " text!" }],
                         },
+                        {
+                            name: "w:br",
+                            type: "element",
+                        },
                     ],
                 },
             ]);