test demonstrating relative paths stutter in [storage.XXXX].PATH

[earl-warren]

The following:

[storage.repo-archive]
STORAGE_TYPE = local
PATH = a-relative-path

repeats the relative path

        	            	expected: "/appdata/a-relative-path"
        	            	actual  : "/appdata/a-relative-path/a-relative-path"

[lunny]

--- a/modules/setting/storage.go
+++ b/modules/setting/storage.go
@@ -174,7 +174,7 @@ func getStorage(rootCfg ConfigProvider, name, typ string, sec ConfigSection) (*S

        // extra config section will be read SERVE_DIRECT, PATH, MINIO_BASE_PATH, MINIO_BUCKET to override the targetsec when possible
        extraConfigSec := sec
-       if extraConfigSec == nil {
+       if extraConfigSec == nil && !targetSecIsStoragename {
                extraConfigSec = storageNameSec
        }