chore: standardize request parsing to use a single path handler (#7106)

#### What type of PR is this?
/kind improvement
/area core
/milestone 2.20.x

#### What this PR does / why we need it:
统一使用同一个 RequestPath 来解析请求信息

#### Does this PR introduce a user-facing change?

```release-note
None
```

application/src/main/java/run/halo/app/security/authorization/RequestInfoFactory.java

@@ -94,7 +94,7 @@ public RequestInfo newRequestInfo(ServerHttpRequest request) {
         RequestInfo requestInfo =
             new RequestInfo(false, path.value(), request.getMethod().name().toLowerCase());
 
-        String[] currentParts = splitPath(request.getPath().value());
+        String[] currentParts = splitPath(path.value());
 
         if (currentParts.length < 3) {
             // return a non-resource request