refactor: improve media service client methods and clean up test files

- Introduced helper methods `getMediaEndpoint` and `getMediaSoapClient` in the media client for better code reuse and clarity.
- Updated various media service methods to utilize the new helper methods, enhancing maintainability.
- Cleaned up test files by standardizing formatting and removing unnecessary blank lines for improved readability.

server/soap/handler_test.go

@@ -125,8 +125,8 @@ func TestExtractAction(t *testing.T) {
 	handler := NewHandler("", "")
 
 	tests := []struct {
-		name         string
-		soapBody     string
+		name           string
+		soapBody       string
 		expectedAction string
 	}{
 		{