[ivette] fix Eva sidebar

ivette/src/dome/renderer/controls/gallery.json

ivette/src/dome/renderer/controls/icons.tsx

ivette/src/dome/renderer/controls/labels.tsx

ivette/src/dome/renderer/controls/style.css

ivette/src/dome/renderer/layout/style.css

ivette/src/frama-c/plugins/eva/api/general/index.ts

ivette/src/frama-c/plugins/eva/components/Form.tsx

ivette/src/frama-c/plugins/eva/style.css

src/plugins/eva/api/general_requests.ml