Pushing initial work for done in Query plan feature to main (#17986)

* Adding initial boilerplate for qp2

* Adding feature flag in query plan 2

* Clearing show plan 2 after every run

* Adding sub tree cost

* removing unused method.

* WIP 2

* Adding properties view and relative cost to query plan

* WIP

* Add icons to ads

* Assing relative costs and prop windows

* Enabling older query plan again

* Making some PR fixes

* Some more PR related fixes

* Use MS org azdataGraph module

* Moving new properties to azdata proposed.

* Moving new class properties to proposed

* added missing doc component.

* Changing how azdatagraph package is referenced

* Removing empty lines, fixing localization keys

* Removing empty line, localizing some string

* making css classes more specific

* making some logic concise

* localizing some more strings

* Making more css classes specific

* Removing important tag from css props

* Checking if sum is greater than 0 to prevent divide by zero exceptions

* Fixed loader error in bootstrap

* Fixing query index

* -fixing image paths
-making css class more class specific by using nested selectors

Co-authored-by: kburtram <karlb@microsoft.com>

src/sql/workbench/contrib/queryplan2/browser/actions/propertiesAction.ts

@@ -0,0 +1,23 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { QueryPlan2 } from 'sql/workbench/contrib/queryplan2/browser/queryPlan';
+import { Action } from 'vs/base/common/actions';
+import { Codicon } from 'vs/base/common/codicons';
+import { localize } from 'vs/nls';
+
+
+export class PropertiesAction extends Action {
+	public static ID = 'qp.propertiesAction';
+	public static LABEL = localize('queryPlanPropertiesActionLabel', "Properties");
+
+	constructor() {
+		super(PropertiesAction.ID, PropertiesAction.LABEL, Codicon.listUnordered.classNames);
+	}
+
+	public override async run(context: QueryPlan2): Promise<void> {
+		context.propContainer.style.visibility = context.propContainer.style.visibility === 'visible' ? 'hidden' : 'visible';
+	}
+}