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Adds `egui::Event::PasteImage`, emitted on Ctrl+V/Cmd+V when the clipboard holds an image with no usable text representation (mirrors `OutputCommand::CopyImage` for the opposite direction). `egui-winit::Clipboard` gains `get_image()`, backed by `arboard::Clipboard::get_image()` — the symmetric counterpart to the `set_image()` already used for copy. Wired in the winit keyboard-shortcut path and in both the glow and wgpu eframe backends' AccessKit-driven paste action. Straight (unmultiplied) alpha from the OS clipboard is converted via the existing `ColorImage::from_rgba_unmultiplied` helper rather than reinterpreting bytes directly, since the two aren't bit-compatible for translucent pixels. Not covered here: the web (wasm32) target — browser clipboard image reads are inherently async (`Blob::array_buffer` returns a Promise), while `Event::PasteImage` as designed here carries an already-decoded `ColorImage`. Bridging that needs either an async event payload or a deferred/queued event on `AppRunner` — more of a design decision than a small mirrored addition, flagging it rather than guessing. * Related: #2108 (not fixed: web) --------- Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>