CI 4.5.1 fixes

Changed .editorconfig
- Force lf line endings for compatibility with all systems.

Fixed Login
- Removed strtolower() call because getMethod() now returns all uppercase

Signed-off-by: objecttothis <objecttothis@gmail.com>
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Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f