Rework WebApi.cs to use HttpClient (#1584)

* Rewrk webapi.cs to use HttpClient

* only run code signing when secrets are configured

* Workaround to check if secret is present or not

* apply it to all azure steps...

* dont replace cookie container, reuse managed object

* Fix adding MD5

---------

Co-authored-by: Natsumi <cmcooper123@hotmail.com>

src/components/dialogs/WorldDialog/ChangeWorldImageDialog.vue

@@ -192,9 +192,7 @@
             uploadFilePUT: true,
             fileData: worldImage.value.base64File,
             fileMIME: 'image/png',
-            headers: {
-                'Content-MD5': worldImage.value.fileMd5
-            }
+            fileMD5: worldImage.value.fileMd5
         });
 
         if (json.status !== 200) {
@@ -245,9 +243,7 @@
             uploadFilePUT: true,
             fileData: worldImage.value.base64SignatureFile,
             fileMIME: 'application/x-rsync-signature',
-            headers: {
-                'Content-MD5': worldImage.value.signatureMd5
-            }
+            fileMD5: worldImage.value.signatureMd5
         });
 
         if (json.status !== 200) {