Fund: Bug: `ResponseDataExtractor` merges per cookie attributes

Description

Currently ResponseDataExtractor merges all values of cookies into a single dictionary, however cookies in the Set-Cookie header can have different flags, paths, domains, etc. set which are currently lost.

URL to code causing the issue

litestar/litestar/data_extractors.py

Lines 407 to 410 in e5f2b64

    
           if cookie_string := ";".join( 
        
               [x[1].decode("latin-1") for x in filter(lambda x: x[0].lower() == b"set-cookie", messages[0]["headers"])] 
        
           ): 
        
               parsed_cookies = parse_cookie_string(cookie_string)

Test showing how per cookie attributes (all attributes apart from key and value) are combined right now:

litestar/tests/unit/test_data_extractors.py

Line 110 in e5f2b64

    
           assert extracted_data.get("cookies") == {"Path": "/", "SameSite": "lax", "auth": "", "regular": ""}

MCVE

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Steps to reproduce

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Logs

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Litestar Version

v2.5.1

Platform

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Litestar/litestar

Bug: ResponseDataExtractor merges per cookie attributes

Description

URL to code causing the issue

MCVE

Steps to reproduce

Screenshots

Logs

Litestar Version

Platform

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	if cookie_string := ";".join(
	[x[1].decode("latin-1") for x in filter(lambda x: x[0].lower() == b"set-cookie", messages[0]["headers"])]
	):
	parsed_cookies = parse_cookie_string(cookie_string)

Litestar/litestar

Bug: ResponseDataExtractor merges per cookie attributes

Description

URL to code causing the issue

MCVE

Steps to reproduce

Screenshots

Logs

Litestar Version

Platform

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