hostname is incorrect - it consumes too much

[Amzd]

• Steps to reproduce the problem:
  • Go to https://deltachat.github.io/message-parser
  • Input: [link](https://example.com)thisshouldnotbeinthehostname
• Result with diff to what it should probably be (not sure about ascii_hostname):

[
    {
        "t": "LabeledLink",
        "c": {
            "label": [
                {
                    "t": "Text",
                    "c": "link"
                }
            ],
            "destination": {
                "target": "https://example.com",
-               "hostname": "example.com)thisshouldnotbeinthehostname",
+               "hostname": "example.com",
                "punycode": {
-                   "original_hostname": "example.com)thisshouldnotbeinthehostname",
+                   "original_hostname": "example.com",
-                   "ascii_hostname": "example.xn--com)thisshouldnotbeinthehostname-",
+                   "ascii_hostname": "example.com",
                    "punycode_encoded_url": "https://example.com"
                },
                "scheme": "https"
            }
        }
    },
    {
        "t": "Text",
        "c": "thisshouldnotbeinthehostname"
    }

[Simon-Laux]

version 0.8.0 didn't have this issue. So this seems to be since the refactoring to parse links according to spec.

-> maybe we need to do a 2 step process: find text with parenthesis rules (until closing parenthesis that was not opened or whitespace/linebreak) and then attempt to parse the result as link. since target is correct, we should probably just extract hostname from target to fix it