Description

Test Code

# Test code for the review of this PR

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

• I signed the CLA.
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• New and existing tests pass locally with my changes
• I have made corresponding changes to the documentation (if applicable)

Screenshots

Additional details

Summary by Sourcery

Fix and enhance control image tests and migrate core control references

Enhancements:

• Introduce similarity_threshold parameter to assert_control_screenshot and propagate it to assert_screenshot
• Update Image control example to use src_base64 and remove fit argument

Documentation:

• Change example_images paths in Column, GridView, Icon, Image, and Text docs from material to core golden directories

Tests:

• Add a new core Image integration test with pump parameters
• Update material test_card screenshot assertions to include similarity_threshold
• Remove outdated material test_image example