Win lineinfile fix (#35100)

* win_lineinfile: fix #33858. Removed conversion from \r\n

* win_lineinfile: added test for #33858

* win_lineinfile: added documentation and more tests for change

* win_lineinfile: fixed wrong hash in testing

test/integration/targets/win_lineinfile/tasks/main.yml

@@ -638,3 +638,66 @@
   assert:
     that:
     - "result.stat.checksum == '66a72e71f42c4775f4326da95cfe82c8830e5022'"
+
+#########################################################################
+# issue #33858
+# \r\n causes line break instead of printing literally which breaks paths.
+
+- name: create testing file
+  win_copy:
+    src: test_linebreak.txt
+    dest: "{{win_output_dir}}/test_linebreak.txt"
+
+- name: stat the test file
+  win_stat:
+    path: "{{win_output_dir}}/test_linebreak.txt"
+  register: result
+
+# (Get-FileHash -path C:\ansible\test\integration\targets\win_lineinfile\files\test_linebreak.txt -Algorithm sha1).hash.tolower()
+- name: check win_stat file result
+  assert:
+    that:
+      - result.stat.exists
+      - not result.stat.isdir
+      - result.stat.checksum == 'da39a3ee5e6b4b0d3255bfef95601890afd80709'
+      - result is not failed
+      - result is not changed
+
+- name: insert path c:\return\new to test file
+  win_lineinfile:
+    dest: "{{win_output_dir}}/test_linebreak.txt"
+    line: c:\return\new
+  register: result_literal
+
+- name: insert path "c:\return\new" to test file, will cause line breaks
+  win_lineinfile:
+    dest: "{{win_output_dir}}/test_linebreak.txt"
+    line: "c:\return\new"
+  register: result_expand
+
+- name: assert that the lines were inserted
+  assert:
+    that:
+    - result_literal.changed == true
+    - result_literal.msg == 'line added'
+    - result_expand.changed == true
+    - result_expand.msg == 'line added'
+
+- name: stat the test file
+  win_stat:
+    path: "{{win_output_dir}}/test_linebreak.txt"
+  register: result
+
+- debug:
+    var: result
+    verbosity: 1
+
+# expect that the file looks like this:
+# c:\return\new
+# c:
+# eturn
+# ew #or c:eturnew  on windows
+- name: assert that one line is literal and the other has breaks
+  assert:
+    that:
+    - result.stat.checksum == 'd2dfd11bc70526ff13a91153c76a7ae5595a845b'