Update to fix file path to remove ~ from media file path when using umbraco forms upload field.

Author: sjones-marathon

src/UmbracoFileSystemProviders.Azure/AzureFileSystem.cs

@@ -797,6 +797,12 @@ private string FixPath(string path)
                 path = path.Substring(appVirtualPath.Length);
             }
 
+            // Strip ~  before any others
+            if (path.StartsWith("~", StringComparison.InvariantCultureIgnoreCase))
+            {
+                path = path.Substring(1);
+            }
+
             if (path.StartsWith(Delimiter))
             {
                 path = path.Substring(1);