Upgrading to Angular 20:

Replaced checked in package-lock.json by regenerated one.
Ran ng update @angular/core@20 @angular/cli@20
Ran npm install @angular-builders/jest@^20.0.0 @fortawesome/angular-fontawesome@^3.0.0 @swimlane/ngx-graph@^11
Ran npm install ngx-mat-select-search@^8.0.2.
Ran ng update @angular/material@20.
Updated all eslint and typescript to the latest versions.
Removed @angular-devkit/schematics.
Updated fontawesome.
Updated rxjs and tslib.
Moved required node version from 16 to 20.
Updated jest-preset-angular.
Set preserveWhitespaces to false.
Corrected two type declarations in two typescript files to make ng serve run without errors.
Removed unused angular-devkit/schematics from view-user.component.ts .
Updated list of supported browsers.
Upgraded prettier.
Ran prettier . --write the first time.
Ran prettier . --write the second time.
Ran ng generate @angular/core:inject with defaults, excepted a handful of files.
Fixed remaining eslint problems.
Added dist directory to ignores in eslint.config.js.
Let prettier fix formatting, almost everything is just line breaks.
Made htmlhint ignore @if and @for Angular constructs.
Updated node version in Github workflow to 22.12.0 (build.yml).
Updated .env.ts.
Updated Angular datetime format strings from YYYY-MM-DD to yyyy-MM-dd.
Merged changes from dev into angular20 branch.

src/app/system/manage-data-tables/view-data-table/view-data-table.component.html

@@ -54,44 +54,48 @@
         {{ 'labels.text.Mandatory' | translate }}
       </th>
       <td mat-cell *matCellDef="let dataTable">
-        <fa-icon
-          *ngIf="!dataTable.isColumnNullable"
-          icon="check-circle"
-          size="lg"
-          class="column-mandatory"
-          matTooltip="{{ 'tooltips.Yes' | translate }}"
-          matTooltipPosition="right"
-        ></fa-icon>
-        <fa-icon
-          *ngIf="dataTable.isColumnNullable"
-          icon="times-circle"
-          size="lg"
-          class="not-column-mandatory"
-          matTooltip="{{ 'tooltips.No' | translate }}"
-          matTooltipPosition="right"
-        ></fa-icon>
+        @if (!dataTable.isColumnNullable) {
+          <fa-icon
+            icon="check-circle"
+            size="lg"
+            class="column-mandatory"
+            matTooltip="{{ 'tooltips.Yes' | translate }}"
+            matTooltipPosition="right"
+          ></fa-icon>
+        }
+        @if (dataTable.isColumnNullable) {
+          <fa-icon
+            icon="times-circle"
+            size="lg"
+            class="not-column-mandatory"
+            matTooltip="{{ 'tooltips.No' | translate }}"
+            matTooltipPosition="right"
+          ></fa-icon>
+        }
       </td>
     </ng-container>
 
     <ng-container matColumnDef="isColumnUnique">
       <th mat-header-cell *matHeaderCellDef mat-sort-header class="center">{{ 'labels.inputs.Unique' | translate }}</th>
       <td mat-cell *matCellDef="let dataTable">
-        <fa-icon
-          *ngIf="dataTable.isColumnUnique"
-          icon="check-circle"
-          size="lg"
-          class="column-mandatory"
-          matTooltip="{{ 'tooltips.Yes' | translate }}"
-          matTooltipPosition="right"
-        ></fa-icon>
-        <fa-icon
-          *ngIf="!dataTable.isColumnUnique"
-          icon="times-circle"
-          size="lg"
-          class="not-column-mandatory"
-          matTooltip="{{ 'tooltips.No' | translate }}"
-          matTooltipPosition="right"
-        ></fa-icon>
+        @if (dataTable.isColumnUnique) {
+          <fa-icon
+            icon="check-circle"
+            size="lg"
+            class="column-mandatory"
+            matTooltip="{{ 'tooltips.Yes' | translate }}"
+            matTooltipPosition="right"
+          ></fa-icon>
+        }
+        @if (!dataTable.isColumnUnique) {
+          <fa-icon
+            icon="times-circle"
+            size="lg"
+            class="not-column-mandatory"
+            matTooltip="{{ 'tooltips.No' | translate }}"
+            matTooltipPosition="right"
+          ></fa-icon>
+        }
       </td>
     </ng-container>
 
@@ -100,22 +104,24 @@
         {{ 'labels.inputs.Indexed' | translate }}
       </th>
       <td mat-cell *matCellDef="let dataTable">
-        <fa-icon
-          *ngIf="dataTable.isColumnIndexed"
-          icon="check-circle"
-          size="lg"
-          class="column-mandatory"
-          matTooltip="{{ 'tooltips.Yes' | translate }}"
-          matTooltipPosition="right"
-        ></fa-icon>
-        <fa-icon
-          *ngIf="!dataTable.isColumnIndexed"
-          icon="times-circle"
-          size="lg"
-          class="not-column-mandatory"
-          matTooltip="{{ 'tooltips.No' | translate }}"
-          matTooltipPosition="right"
-        ></fa-icon>
+        @if (dataTable.isColumnIndexed) {
+          <fa-icon
+            icon="check-circle"
+            size="lg"
+            class="column-mandatory"
+            matTooltip="{{ 'tooltips.Yes' | translate }}"
+            matTooltipPosition="right"
+          ></fa-icon>
+        }
+        @if (!dataTable.isColumnIndexed) {
+          <fa-icon
+            icon="times-circle"
+            size="lg"
+            class="not-column-mandatory"
+            matTooltip="{{ 'tooltips.No' | translate }}"
+            matTooltipPosition="right"
+          ></fa-icon>
+        }
       </td>
     </ng-container>
     <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>