gym export_options : {method} resolves into empty string

[Erodotos]

New Issue Checklist

• Updated fastlane to the latest version
• I read the Contribution Guidelines
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Issue Description

I am using build_app function to build an iOS app. The execution fails due to the following error:

There seems to be a mismatch between your provided `export_method` in gym
and the selected provisioning profiles. You passed the following options:
export_method:      

The export method seems to be resolved as an empty string or a " " character.

The weird think is that "Summary for gym 2.219.0" shows a correct input with all values completed as expected. For disclosure I tried executing with method being "ad-hoc" or "app-store".

Is there any reason for gym translating the input to an empty string?

Command executed

disable_automatic_code_signing(
            team_id: options[:team_id],
            profile_name: options[:provisioning_profile],
            code_sign_identity: options[:code_sign_identity]
        )

  increment_build_number(
            build_number: ENV["BUILD_NUMBER"]
        )

build_app(
            derived_data_path: options[:derived_data_path],
            workspace: options[:workspace],
            scheme: options[:scheme],
            include_symbols: true,
            toolchain: "com.guardsquare.ixguard",
            output_directory: options[:output_directory],
            output_name: options[:output_name],
            clean: true,
            codesigning_identity:options[:codesigning_identity],
            export_options: {
                teamID: options[:team_id],
                method: 'app-store'
            }
        )

Complete output when running fastlane, including the stack trace and command used

There seems to be a mismatch between your provided `export_method` in gym
[17:39:20]: and the selected provisioning profiles. You passed the following options:
[17:39:20]:   export_method:      
[17:39:20]:   Bundle identifier:  com.xxxxxxxx.qa
[17:39:20]:   Profile name:       com.xxxxxxxx.qa AppStore
[17:39:20]:   Profile type:       app-store

[Kevin498Vasquez]

Great post. It was much needed. Love your simplistic style of explanation. dgcustomerfirst survey

[Erodotos]

Removing this line of code solved my issue.

codesigning_identity:options[:codesigning_identity],

Looks like there was double definition of signing identity which was causing the issue