fix(webui): keep DataGrid actions out of form submission

webui/src/components/table/DataGrid.tsx

@@ -860,6 +860,7 @@ export function DataGridRowActions({
   return (
     <div className="data-grid-row-actions">
       <Button
+        type="button"
         variant="primary"
         className="data-grid-row-action is-add"
         aria-label={translatedAddLabel}
@@ -870,6 +871,7 @@ export function DataGridRowActions({
         <Plus size={16} aria-hidden="true" />
       </Button>
       <Button
+        type="button"
         variant="secondary"
         className="data-grid-row-action is-reorder"
         aria-label={translatedMoveUpLabel}
@@ -880,6 +882,7 @@ export function DataGridRowActions({
         <ArrowUp size={16} aria-hidden="true" />
       </Button>
       <Button
+        type="button"
         variant="secondary"
         className="data-grid-row-action is-reorder"
         aria-label={translatedMoveDownLabel}
@@ -890,6 +893,7 @@ export function DataGridRowActions({
         <ArrowDown size={16} aria-hidden="true" />
       </Button>
       <Button
+        type="button"
         variant="danger"
         className="data-grid-row-action is-remove"
         aria-label={translatedRemoveLabel}
@@ -917,6 +921,7 @@ export function DataGridEmptyAction({
   return (
     <div className="data-grid-row-actions data-grid-empty-row-actions">
       <Button
+        type="button"
         variant="primary"
         className="data-grid-row-action is-add"
         aria-label={translatedLabel}