fix(editor): add placeholder for input of database context menu (#11079)

fix: BS-2594

blocksuite/affine/data-view/src/core/common/property-menu.ts

@@ -14,6 +14,7 @@ export const inputConfig = (property: Property) => {
         </div>
       `,
       initialValue: property.name$.value,
+      placeholder: 'Property name',
       onChange: text => {
         property.nameSet(text);
       },
@@ -26,6 +27,7 @@ export const inputConfig = (property: Property) => {
       </div>
     `,
     initialValue: property.name$.value,
+    placeholder: 'Property name',
     onComplete: text => {
       property.nameSet(text);
     },

blocksuite/affine/data-view/src/widget-presets/tools/presets/view-options/view-options.ts

@@ -236,6 +236,7 @@ export const popViewOptions = (
   items.push(
     menu.input({
       initialValue: view.name$.value,
+      placeholder: 'View name',
       onChange: text => {
         view.nameSet(text);
       },

blocksuite/affine/data-view/src/widget-presets/views-bar/views-view.ts

@@ -164,6 +164,7 @@ export class DataViewHeaderViews extends WidgetBase {
         items: [
           menu.input({
             initialValue: view.name$.value,
+            placeholder: 'View name',
             onChange: text => {
               view.nameSet(text);
             },