fix: 修复配额说明重复和undefined问题

- 在editStorageForm中初始化oss_storage_quota_value和oss_quota_unit
- 删除重复的旧配额说明块，保留新的当前配额设置显示

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/node_modules/@smithy/util-hex-encoding/dist-cjs/index.js

@@ -0,0 +1,38 @@
+'use strict';
+
+const SHORT_TO_HEX = {};
+const HEX_TO_SHORT = {};
+for (let i = 0; i < 256; i++) {
+    let encodedByte = i.toString(16).toLowerCase();
+    if (encodedByte.length === 1) {
+        encodedByte = `0${encodedByte}`;
+    }
+    SHORT_TO_HEX[i] = encodedByte;
+    HEX_TO_SHORT[encodedByte] = i;
+}
+function fromHex(encoded) {
+    if (encoded.length % 2 !== 0) {
+        throw new Error("Hex encoded strings must have an even number length");
+    }
+    const out = new Uint8Array(encoded.length / 2);
+    for (let i = 0; i < encoded.length; i += 2) {
+        const encodedByte = encoded.slice(i, i + 2).toLowerCase();
+        if (encodedByte in HEX_TO_SHORT) {
+            out[i / 2] = HEX_TO_SHORT[encodedByte];
+        }
+        else {
+            throw new Error(`Cannot decode unrecognized sequence ${encodedByte} as hexadecimal`);
+        }
+    }
+    return out;
+}
+function toHex(bytes) {
+    let out = "";
+    for (let i = 0; i < bytes.byteLength; i++) {
+        out += SHORT_TO_HEX[bytes[i]];
+    }
+    return out;
+}
+
+exports.fromHex = fromHex;
+exports.toHex = toHex;