feat: eye dropper (#6615)

src/components/HelpDialog.tsx

@@ -164,6 +164,10 @@ export const HelpDialog = ({ onClose }: { onClose?: () => void }) => {
               label={t("toolBar.eraser")}
               shortcuts={[KEYS.E, KEYS["0"]]}
             />
+            <Shortcut
+              label={t("labels.eyeDropper")}
+              shortcuts={[KEYS.I, "Shift+S", "Shift+G"]}
+            />
             <Shortcut
               label={t("helpDialog.editLineArrowPoints")}
               shortcuts={[getShortcutKey("CtrlOrCmd+Enter")]}