feat: clear files on retry and on start capture

[JNdhlovu]

Story: https://app.shortcut.com/smileid/story/14220/fix-retry-with-multiple-liveness-images-on-ios-android

Summary

Fix Retry with multiple liveness images on IOS & Android

Known Issues

N/A

Test Instructions

Capture a job then instead of submission retry and capture then submit, the number of liveness files should stay the same as the constant for liveness images limit

Screenshot

N/A

[github-actions]

	Warnings
⚠️	The source files were changed, but the tests remain unmodified. Consider updating or adding to the tests to match the source changes.
⚠️	Sources/SmileID/Classes/SelfieCapture/SelfieViewModel.swift#L195 - TODOs should be resolved (Use mouth deformation as an al...). (todo)
⚠️	Sources/SmileID/Classes/SmileID.swift#L31 - Line should be 120 characters or less: currently 124 characters (line_length)
⚠️	Sources/SmileID/Classes/SmileID.swift#L158 - Function should have complexity 10 or less: currently complexity equals 11 (cyclomatic_complexity)
⚠️	Sources/SmileID/Classes/SmileID.swift#L183 - TODOs should be resolved (- Fix when Michael changes thi...). (todo)
⚠️	Sources/SmileID/Classes/SmileID.swift#L210 - Collection literals should not have trailing commas. (trailing_comma)

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