wip: use position: fixed for input/textarea in tableeditor

so it does not increase the cell width and does not change all
the table size.
Actually, there is still a small size change as we remove the cell
content before adding the input/textarea, but more subtle than before

umap/static/umap/css/tableeditor.css

@@ -70,9 +70,13 @@
 .umap-table-editor .formbox,
 .umap-table-editor input {
     margin: 0;
+    min-height: initial;
 }
+.umap-table-editor textarea,
 .umap-table-editor input {
     border-radius: initial;
+    width: initial;
+    position: fixed;
 }
 .umap-table-editor th button {
     transform: rotate(90deg);

umap/static/umap/js/modules/tableeditor.js

@@ -215,10 +215,8 @@ export default class TableEditor extends WithTemplate {
     const tr = event.target.closest('tr')
     const feature = this.datalayer.getFeatureById(tr.dataset.feature)
     const handler = property === 'description' ? 'Textarea' : 'Input'
-    const builder = new U.FormBuilder(feature, [[field, { handler: handler }]], {
+    const builder = new U.FormBuilder(feature, [[field, { handler }]], {
       id: `umap-feature-properties_${L.stamp(feature)}`,
-      className: 'trow',
-      callback: feature.resetTooltip,
     })
     cell.innerHTML = ''
     cell.appendChild(builder.build())