fix(azblob): don't call AzureStorageConfig::from_env on wasm

Author: bonsairobo

core/src/services/azblob/backend.rs

@@ -326,7 +326,10 @@ impl Builder for AzblobBuilder {
         }?;
         debug!("backend use endpoint {}", &container);
 
-        let mut config_loader = AzureStorageConfig::default().from_env();
+        let mut config_loader = AzureStorageConfig::default();
+
+        #[cfg(not(target_arch = "wasm32"))]
+        let mut config_loader = config_loader.from_env();
 
         if let Some(v) = self
             .config