feat:更新知识库对话框

src/styles/common.module.scss

@@ -0,0 +1,17 @@
+.common-view {
+
+}
+
+.common-dialog {
+  --el-dialog-margin-top: 0 !important;
+  margin: 0 auto !important;
+  height: 100vh;
+
+  display: flex;
+  flex-direction: column;
+
+  .el-dialog__body {
+    flex-grow: 1;
+    overflow: auto;
+  }
+}