Schema Compare extension (#4974)

* extension now working

* fix diff editor title disappearing and remove border from source and target name boxes

* redoing a bunch of stuff that disappeared after rebasing

* add images and add to extensions.ts

* moving a few changes to the right place after rebase

* formatting

* update toolbar svgs

* addressing comments

* add return types

* Adding PR comments

* Adding light and dark theme icons

* Fixing the diff editor title for dark theme

src/sql/workbench/api/node/sqlExtHost.api.impl.ts

@@ -354,6 +354,10 @@ export function createApiFactory(
 				return extHostDataProvider.$registerDacFxServiceProvider(provider);
 			};
 
+			let registerSchemaCompareServicesProvider = (provider: azdata.SchemaCompareServicesProvider): vscode.Disposable => {
+				return extHostDataProvider.$registerSchemaCompareServiceProvider(provider);
+			};
+
 			// namespace: dataprotocol
 			const dataprotocol: typeof azdata.dataprotocol = {
 				registerBackupProvider,
@@ -371,6 +375,7 @@ export function createApiFactory(
 				registerAgentServicesProvider,
 				registerCapabilitiesServiceProvider,
 				registerDacFxServicesProvider,
+				registerSchemaCompareServicesProvider,
 				onDidChangeLanguageFlavor(listener: (e: azdata.DidChangeLanguageFlavorParams) => any, thisArgs?: any, disposables?: extHostTypes.Disposable[]) {
 					return extHostDataProvider.onDidChangeLanguageFlavor(listener, thisArgs, disposables);
 				},
@@ -528,7 +533,10 @@ export function createApiFactory(
 				nb: nb,
 				AzureResource: sqlExtHostTypes.AzureResource,
 				TreeItem: sqlExtHostTypes.TreeItem,
-				extensions: extensions
+				extensions: extensions,
+				SchemaUpdateAction: sqlExtHostTypes.SchemaUpdateAction,
+				SchemaDifferenceType: sqlExtHostTypes.SchemaDifferenceType,
+				SchemaCompareEndpointType: sqlExtHostTypes.SchemaCompareEndpointType
 			};
 		},
 
@@ -754,6 +762,7 @@ export function createApiFactory(
 				return extHostDataProvider.$registerDacFxServiceProvider(provider);
 			};
 
+
 			// namespace: dataprotocol
 			const dataprotocol: typeof sqlops.dataprotocol = {
 				registerBackupProvider,