Expose more options in similar videos tool

[qarmin]

Fixes #1440 (partially - it allows change, previously hardcoded scan paramers - changing them, will change used cache files)

[Copilot]

Pull Request Overview

This PR enhances the similar videos tool by exposing previously hardcoded scanning parameters to the user interface, allowing customization of video comparison settings that were previously fixed.

Key changes include:

• Added UI controls for skip forward amount, video hash duration, and crop detection method in similar videos tool
• Updated cache file naming to include these parameters, ensuring proper cache isolation
• Improved UI layout and translations for video settings

Reviewed Changes

Copilot reviewed 24 out of 25 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
krokiet/ui/tool_settings.slint	Added new UI controls for video scanning parameters and improved layout spacing
krokiet/ui/settings.slint	Added property definitions for new video configuration options
krokiet/src/settings/model.rs	New file containing settings data structures and default values
krokiet/src/settings/combo_box.rs	New file with combo box utilities including video crop detection options
czkawka_core/src/tools/similar_videos.rs	Enhanced video similarity tool with configurable parameters and validation
czkawka_core/src/common_cache.rs	Updated cache file naming to include video scan parameters

Comments suppressed due to low confidence (2)

krokiet/src/settings/model.rs:21

• [nitpick] The constant name DEFAULT_MINIMAL_FRAGMENT_DURATION_VALUE is inconsistent with other naming patterns. Consider renaming to DEFAULT_MINIMAL_FRAGMENT_DURATION to match the pattern used by other constants like DEFAULT_SKIP_FORWARD_AMOUNT.

pub const DEFAULT_MINIMAL_FRAGMENT_DURATION_VALUE: f32 = 5.0;

czkawka_core/src/tools/similar_videos.rs:78

• The function name crop_detect_from_str_opt is inconsistent with Rust naming conventions. Consider renaming to try_crop_detect_from_str to better indicate it returns an Option and follows the try_* pattern for fallible operations.

pub fn crop_detect_from_str_opt(s: &str) -> Option<Cropdetect> {