merge: Ctrl+Click navigation and Find Usages

# Conflicts:
#	crates/egui-editor/src/code_view.rs

refactor: split code view flow and clean warnings

fix: prevent decompile confirm dialog from closing on outside click

feat: multi-strategy Java discovery (custom path / JAVA_HOME / PATH) …

…with smart path resolution

feat: adjust macOS traffic light buttons position via objc2

fix: enable x11 and wayland features for Linux build

ci: use PNG for macOS icon, add Gatekeeper instructions to release body

ci: add Swatinem/rust-cache for dependency caching

ci: bundle macOS as .app with Info.plist and ad-hoc signing