chore(editor): mobile database editing experimental flag (#13425)

#### PR Dependency Tree


* **PR #13425** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Introduced a feature flag to enable or disable mobile database
editing.
* Added user notifications on mobile when attempting to edit databases
if the feature is not enabled.

* **Bug Fixes**
* Prevented addition of filters and group actions in readonly or
restricted mobile editing states.
* Fixed issues with selection handling in mobile Kanban and Table views
by ensuring correct context binding.

* **Style**
  * Improved toast notification styling to allow dynamic height.
* Adjusted mobile table view styles for better compatibility on iOS
devices.

* **Chores**
* Updated feature flag configuration to support mobile database editing
control.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/widgets/keyboard-toolbar/src/keyboard-tool-panel.ts

@@ -4,7 +4,7 @@ import {
   requiredProperties,
   ShadowlessElement,
 } from '@blocksuite/std';
-import { html, nothing, type PropertyValues } from 'lit';
+import { html, nothing } from 'lit';
 import { property } from 'lit/decorators.js';
 import { repeat } from 'lit/directives/repeat.js';
 
@@ -80,18 +80,9 @@ export class AffineKeyboardToolPanel extends SignalWatcher(
     </div>`;
   }
 
-  protected override willUpdate(changedProperties: PropertyValues<this>) {
-    if (changedProperties.has('height')) {
-      this.style.height = this.height;
-    }
-  }
-
   @property({ attribute: false })
   accessor config: KeyboardToolPanelConfig | null = null;
 
   @property({ attribute: false })
   accessor context!: KeyboardToolbarContext;
-
-  @property({ attribute: false })
-  accessor height = '';
 }

blocksuite/affine/widgets/keyboard-toolbar/src/keyboard-toolbar.ts

@@ -377,7 +377,10 @@ export class AffineKeyboardToolbar extends SignalWatcher(
       <affine-keyboard-tool-panel
         .config=${this._currentPanelConfig}
         .context=${this._context}
-        .height=${this.panelHeight}
+        style=${styleMap({
+          height: this.panelHeight,
+          paddingBottom: this.keyboard.appTabSafeArea$.value,
+        })}
       ></affine-keyboard-tool-panel>
     `;
   }