Merge remote-tracking branch 'origin/10.2.x' into sstoychev/mac-keys-102

Author: ChronosSF

projects/igniteui-angular/src/lib/core/utils.ts

@@ -330,7 +330,9 @@ export const ROW_EXPAND_KEYS = new Set('right down arrowright arrowdown'.split('
 export const ROW_COLLAPSE_KEYS = new Set('left up arrowleft arrowup'.split(' '));
 export const ROW_ADD_KEYS = new Set(['+', 'add', '≠', '±', '=']);
 export const SUPPORTED_KEYS = new Set([...Array.from(NAVIGATION_KEYS), ...Array.from(ROW_ADD_KEYS), 'enter', 'f2', 'escape', 'esc', 'pagedown', 'pageup']);
-export const HEADER_KEYS = new Set([...Array.from(NAVIGATION_KEYS), 'escape', 'esc', 'l']);
+export const HEADER_KEYS = new Set([...Array.from(NAVIGATION_KEYS), 'escape', 'esc' , 'l',
+    /** This symbol corresponds to the Alt + L combination under MAC. */
+    '¬']);
 
 /**
  * @hidden

projects/igniteui-angular/src/lib/grids/filtering/excel-style/excel-style-search.component.ts

@@ -127,7 +127,7 @@ export class IgxExcelStyleSearchComponent implements AfterViewInit, OnDestroy {
      * @hidden @internal
      */
     public get valuesLoadingTemplate() {
-        if (this.esf.grid.excelStyleLoadingValuesTemplateDirective) {
+        if (this.esf.grid?.excelStyleLoadingValuesTemplateDirective) {
             return this.esf.grid.excelStyleLoadingValuesTemplateDirective.template;
         } else {
             return this.defaultExcelStyleLoadingValuesTemplate;
@@ -136,6 +136,7 @@ export class IgxExcelStyleSearchComponent implements AfterViewInit, OnDestroy {
 
     constructor(public cdr: ChangeDetectorRef, public esf: IgxGridExcelStyleFilteringComponent) {
         esf.loadingStart.pipe(takeUntil(this.destroy$)).subscribe(() => {
+            this.displayedListData = [];
             this.isLoading = true;
         });
         esf.loadingEnd.pipe(takeUntil(this.destroy$)).subscribe(() => {

projects/igniteui-angular/src/lib/grids/grid-navigation.service.ts

@@ -544,7 +544,7 @@ export class IgxGridNavigationService {
         if ([' ', 'spacebar', 'space'].indexOf(key) !== -1) {
             this.handleColumnSelection(column, event);
         }
-        if (alt && key === 'l' && this.grid.allowAdvancedFiltering) {
+        if (alt && (key === 'l' || key === '¬') && this.grid.allowAdvancedFiltering) {
             this.grid.openAdvancedFilteringDialog();
         }
         if (ctrl && shift && key === 'l' && this.grid.allowFiltering && !column.columnGroup && column.filterable) {