feat(editor): replace slot with rxjs subject (#10768)

blocksuite/affine/blocks/block-database/package.json

@@ -34,6 +34,7 @@
     "date-fns": "^4.0.0",
     "lit": "^3.2.0",
     "minimatch": "^10.0.1",
+    "rxjs": "^7.8.1",
     "yjs": "^13.6.21",
     "zod": "^3.23.8"
   },

blocksuite/affine/blocks/block-database/src/properties/link/cell-renderer.ts

@@ -81,7 +81,7 @@ export class LinkCell extends BaseCellRenderer<string> {
       return;
     }
 
-    std.getOptional(RefNodeSlotsProvider)?.docLinkClicked.emit({
+    std.getOptional(RefNodeSlotsProvider)?.docLinkClicked.next({
       pageId: this.docId$.value,
       host: std.host,
     });

blocksuite/affine/blocks/block-database/src/properties/rich-text/cell-renderer.ts

@@ -339,8 +339,10 @@ export class RichTextCell extends BaseCellRenderer<Text> {
       effect(() => {
         const editor = this.inlineEditor$.value;
         if (editor) {
-          const disposable = editor.slots.keydown.on(this._handleKeyDown);
-          return () => disposable.dispose();
+          const disposable = editor.slots.keydown.subscribe(
+            this._handleKeyDown
+          );
+          return () => disposable.unsubscribe();
         }
         return;
       })