Server: Fix revive lint error

```
internal/server/servers.go:51:9: indent-error-flow: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary) (revive)
        } else {
                return srv, nil
        }
```

1 files changed, 3 insertions, 3 deletions

diff --git a/internal/server/servers.go b/internal/server/servers.go
index 8da1c7f..4086738 100644
--- a/internal/server/servers.go
+++ b/internal/server/servers.go
@@ -46,11 +46,11 @@ func (ss *Servers) GetCurrentServer() (Server, error) {
 		return nil, errors.Errorf("srvs.Map is nil")
 	}
 
-	if srv, ok := srvs.Map[srvs.CurrentURL]; !ok || srv == nil {
+	srv, ok := srvs.Map[srvs.CurrentURL]
+	if !ok || srv == nil {
 		return nil, errors.Errorf("server not found")
-	} else {
-		return srv, nil
 	}
+	return srv, nil
 }
 
 func (ss *Servers) addInstituteAndCustom(