glab-resolved fails with gitlab hosted in subdir of domain
### Checklist
- [x] I'm using the latest version of the extension (Run `glab --version`)
- Extension version: `glab version 1.24.1 (2022-12-07)`
- [x] Operating System and version: win11
### Summary
I have a self-managed gitlab instance (in a docker swarm) in a subdirectory, as in `https://my.host.com/git/`. Similar to #1046 (Can't use glab with private/hosted gitlab instances), it seems that the subdir component is being copied into the API url.
_Edit for findability: [relative URL](https://docs.gitlab.com/ee/install/relative_url.html)_.
### Steps to reproduce
My `~/.config/glab-cli/config.yml` entry:
```
hosts:
my.host.com:
git_protocol: ssh
api_host: my.host.com/git
api_protocol: https
token: *************************
```
The basic connection works,
```bash
$ glab auth status
my.host.com
✓ Logged in to my.host.com as my.user (C:\Users\r2\.config\glab-cli/config.yml)
✓ Git operations for my.host.com configured to use ssh protocol.
✓ API calls for my.host.com are made over https protocol
✓ REST API Endpoint: https://my.host.com/api/v4/
✓ GraphQL Endpoint: https://my.host.com/api/graphql/
✓ Token: **************************
```
Side note: that's listing `my.host.com/api/..` as successful, but it is really querying `my.host.com/git/api/..`. Perhaps that should check/use the `api_host` from the `config.yml`?
### What is the current _bug_ behavior?
In a repo directory:
```bash
$ glab issue list
GET https://my.host.com/git/api/v4/projects/git/GROUPNAME/PROJECTNAME/issues: 404 {message: 404 Project Not Found}
```
### What is the expected _correct_ behavior?
Returns the list of issues.
### Relevant logs and/or screenshots
In the gitlab instance, the logs include
```
gitlab_1 | ==> /var/log/gitlab/gitlab-rails/production.log <==
gitlab_1 | Started GET "/git/api/v4/projects/git%2FGROUPNAME%2FPROJECTNAME/issues?in=title%2Cdescription&page=1&per_page=30&state=opened" for 11.22.33.44 at 2022-12-22 18:27:55 +0000
```
In the `./.git/config`,
```
[remote "origin"]
url = ssh://git@my.host.com:60022/GROUPNAME/PROJECTNAME.git
fetch = +refs/heads/*:refs/remotes/origin/*
glab-resolved = base:git/GROUPNAME/PROJECTNAME
```
It looks as if the `base:git/...` should be changed to `base:...`.
### Possible fixes
I manually edited the remote to:
```
[remote "origin"]
url = ssh://git@my.host.com:60022/GROUPNAME/PROJECTNAME.git
fetch = +refs/heads/*:refs/remotes/origin/*
glab-resolved = base:GROUPNAME/PROJECTNAME
```
and now this works,
```bash
$ glab issue list
Showing 8 open issues in GROUPNAME/PROJECTNAME that match your search (Page 1)
#26 GROUPNAME/PROJECTNAME#26 migrate database-connecting functions to support datamart about 11 days ago
...
```
issue