LibCompress: Handle and propagate stream errors in GzipDecompressor

This commit makes read short-circuit if its input stream errored,
as well as propagate error handling to wrapped sub streams, similarly
to DeflateDecompressor.

Userland/Libraries/LibCompress/Gzip.h

@@ -67,6 +67,7 @@ public:
     bool discard_or_error(size_t) override;
 
     bool unreliable_eof() const override;
+    bool handle_any_error() override;
 
     static Optional<ByteBuffer> decompress_all(ReadonlyBytes);
     static bool is_likely_compressed(ReadonlyBytes bytes);