fix: Attach attachments after the ticket is saved

[niraj2477]

Issue:

When we upload an attachment in ticket doctype as parameter is passed, which will breaks the file upload
https://github.com/frappe/frappe/blob/develop/frappe/core/doctype/file/file.py#L140

Solution:

While uploading attachments, we do not need to pass the doctype parameter, it will be automatically handled by create_communication_via_contact method

issue ref: #1695 ,#1712

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 2.59%. Comparing base (50a98ca) to head (8800411).
Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #1715   +/-   ##
=====================================
  Coverage   2.59%   2.59%           
=====================================
  Files         59      59           
  Lines       1926    1926           
=====================================
  Hits          50      50           
  Misses      1876    1876           

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[niraj2477]

@sumitbhanushali Can you have a look at this? As we are not able to upload the attachment because of this.
Let me know if you have any other approach for the same