Feat: Support deleting knowledge graph #6747 (#6748)

### What problem does this PR solve?

Feat: Support deleting knowledge graph #6747

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/add-knowledge/components/knowledge-graph/use-delete-graph.ts

@@ -0,0 +1,21 @@
+import {
+  useKnowledgeBaseId,
+  useRemoveKnowledgeGraph,
+} from '@/hooks/knowledge-hooks';
+import { useCallback } from 'react';
+import { useNavigate } from 'umi';
+
+export function useDeleteKnowledgeGraph() {
+  const { removeKnowledgeGraph, loading } = useRemoveKnowledgeGraph();
+  const navigate = useNavigate();
+  const knowledgeBaseId = useKnowledgeBaseId();
+
+  const handleDeleteKnowledgeGraph = useCallback(async () => {
+    const ret = await removeKnowledgeGraph();
+    if (ret === 0) {
+      navigate(`/knowledge/dataset?id=${knowledgeBaseId}`);
+    }
+  }, [knowledgeBaseId, navigate, removeKnowledgeGraph]);
+
+  return { handleDeleteKnowledgeGraph, loading };
+}