feat: fix backspeace

libs/components/editor-blocks/src/blocks/text/TextView.tsx

@@ -112,13 +112,18 @@ export const TextView: FC<CreateTextView> = ({
                             block.id,
                             'end'
                         );
-                        const value = [
-                            ...preNode.getProperty('text').value,
-                            ...block.getProperty('text').value,
-                        ];
-                        await preNode.setProperty('text', {
-                            value,
-                        });
+                        if (
+                            block.getProperty('text').value[0] &&
+                            block.getProperty('text').value[0]?.text !== ''
+                        ) {
+                            const value = [
+                                ...preNode.getProperty('text').value,
+                                ...block.getProperty('text').value,
+                            ];
+                            await preNode.setProperty('text', {
+                                value,
+                            });
+                        }
                         await preNode.append(...children);
                         await block.remove();
                         editor.suspend(false);