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/services/query/common/queryModel.ts

@@ -15,7 +15,8 @@ import {
 	EditCreateRowResult,
 	EditRevertCellResult,
 	ExecutionPlanOptions,
-	queryeditor
+	queryeditor,
+	QueryPlanGraph
 } from 'azdata';
 import { QueryInfo } from 'sql/workbench/services/query/common/queryModelService';
 import { IRange } from 'vs/editor/common/core/range';
@@ -30,6 +31,12 @@ export interface IQueryPlanInfo {
 	planXml: string;
 }
 
+export interface IQueryPlan2Info {
+	providerId: string;
+	fileUri: string;
+	planGraphs: QueryPlanGraph[];
+}
+
 export interface IQueryInfo {
 	range: IRange[];
 	messages: IQueryMessage[];