chore: sync gen change restoring root grid refs for handlers logic (#808)

Author: damyanpetev

samples/grids/grid/action-strip/src/index.tsx

@@ -49,6 +49,7 @@ export default class Sample extends React.Component<any, any> {
             <div className="container fill">
                 <IgrGrid
                     autoGenerate={false}
+                    ref={this.gridRef}
                     data={this.nwindData}
                     rowEditable={true}
                     allowFiltering={true}

samples/grids/grid/advanced-filtering-options/src/index.tsx

@@ -36,6 +36,7 @@ export default class Sample extends React.Component<any, any> {
             <div className="container fill">
                 <IgrGrid
                     autoGenerate={false}
+                    ref={this.gridRef}
                     data={this.nwindData}
                     moving={true}
                     allowAdvancedFiltering={true}>

samples/grids/grid/advanced-filtering-style/src/index.tsx

@@ -36,6 +36,7 @@ export default class Sample extends React.Component<any, any> {
             <div className="container fill">
                 <IgrGrid
                     autoGenerate={false}
+                    ref={this.gridRef}
                     id="grid"
                     data={this.nwindData}
                     moving={true}

samples/grids/grid/binding-composite-data/src/index.tsx

@@ -39,7 +39,8 @@ export default class Sample extends React.Component<any, any> {
                 <IgrGrid
                     autoGenerate={false}
                     data={this.customersData}
-                    primaryKey="ID">
+                    primaryKey="ID"
+                    ref={this.gridRef}>
                     <IgrColumn
                         header="ID"
                         field="ID">

samples/grids/grid/binding-crud-data/src/index.tsx

@@ -37,6 +37,7 @@ export default class Sample extends React.Component<any, any> {
             <div className="container fill">
                 <IgrGrid
                     autoGenerate={false}
+                    ref={this.gridRef}
                     data={this.nwindData}
                     moving={true}
                     primaryKey="ProductID"

samples/grids/grid/binding-nested-data-1/src/index.tsx

@@ -39,6 +39,7 @@ export default class Sample extends React.Component<any, any> {
                 <IgrGrid
                     autoGenerate={false}
                     data={this.employeesNestedData}
+                    ref={this.gridRef}
                     id="grid">
                     <IgrColumn
                         header="Name"

samples/grids/grid/cascading-combo/src/index.tsx

@@ -41,6 +41,7 @@ export default class Sample extends React.Component<any, any> {
                     autoGenerate={false}
                     data={this.worldCitiesAbove500K}
                     primaryKey="ID"
+                    ref={this.gridRef}
                     onRendered={this.webGridWithComboRendered}>
                     <IgrColumn
                         field="ID"

samples/grids/grid/cell-editing-sample/src/index.tsx

@@ -39,6 +39,7 @@ export default class Sample extends React.Component<any, any> {
             <div className="container fill">
                 <IgrGrid
                     autoGenerate={false}
+                    ref={this.grid1Ref}
                     data={this.roleplayDataStats}
                     primaryKey="Name">
                     <IgrColumn

samples/grids/grid/cell-editing-styling/src/index.tsx

@@ -37,6 +37,7 @@ export default class Sample extends React.Component<any, any> {
                 <IgrGrid
                     autoGenerate={false}
                     id="grid"
+                    ref={this.gridRef}
                     data={this.nwindData}
                     primaryKey="ProductID"
                     allowFiltering={true}>

samples/grids/grid/cell-selection-mode/src/index.tsx

@@ -63,6 +63,7 @@ export default class Sample extends React.Component<any, any> {
             <div className="container fill">
                 <IgrGrid
                     autoGenerate={false}
+                    ref={this.gridRef}
                     data={this.nwindData}>
                     <IgrColumn
                         field="ProductID"