Composed block feature with solved nested issue

[BkPankaj]

Changes Made

• Composed Block Feature

1. Added an option in the menu bar for building the composed block.
2. After clicking the composed block option, a dialog box appears from which all available global inputs and outputs can be selected.
3. After selecting the global inputs and outputs, the .vc3 file is generated and saved in the downloads folder with the respective global input and output links.
4. The composed block also supports nested blocks in the .vc3 file.

• Nested issue

1. Added nested processing on the backend.
2. Modified the existing single code block dependency code to support multi-level dependencies with multiple code blocks.
3. All nested and zero-level block Python scripts are placed in the modules directory.
4. Added processing for wires, including filtering and mapping to the required blocks.
5. Resolved the parameters issue in backend processing.

Related Issues

Fixes: #324 #215

Screenshots

Block Dialog box with all available global inputs and outputs

Level1 Sample Circuit:

Level2 Inside test_second_block Block (nested level 1):

Level3 Inside test_first_block Block (nested level 2):

Before modification of nested issue - data.json:

After modification of nested issue - data.json:

[BkPankaj]

Hello @toshan-luktuke @jmplaza sir,
The PR is ready for merge with resolved issues for multiple instances in both the collection package block and the 'Add as Block' package block, along with parameter issues and other related issues. Please review and merge it.