In GHCR, throw org names and repository names to lowercase (#239)

packages/vscode-docker-registries/src/clients/GitHub/GitHubRegistryDataProvider.ts

@@ -118,7 +118,7 @@ export class GitHubRegistryDataProvider extends RegistryV2DataProvider {
                 results.push({
                     parent: registry,
                     baseUrl: registry.baseUrl,
-                    label: repository,
+                    label: repository.toLowerCase(), // GHCR in particular allows uppercase letters in repository names which is not actually valid. Need to throw them all to lowercase. See https://github.com/microsoft/vscode-docker/issues/4419
                     type: 'commonrepository',
                 });
             }
@@ -175,7 +175,7 @@ export class GitHubRegistryDataProvider extends RegistryV2DataProvider {
         });
 
         for (const org of await response.json()) {
-            results.push(org.login);
+            results.push(org.login.toLowerCase()); // GHCR allows uppercase letters in organization names which leads to invalid repository names. Need to throw them all to lowercase. See https://github.com/microsoft/vscode-docker/issues/4419
         }
 
         return results;