Fix Bug 2121: NG-UI uses unmaintained Chokidar version

	- Upgraded Angular from 11 to 14 version to remove chokidar
	  unmaintained version.
	- Changed linting tool tslint to eslint for angular 14 as tslint
	  is depreacted after angular 12
	- Resolved linting issues from code

Change-Id: I00e908ab651db0f080e0d18a9d1c9711f4e36b91
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>
diff --git a/src/app/instances/netslice-instances/NetsliceInstancesComponent.ts b/src/app/instances/netslice-instances/NetsliceInstancesComponent.ts
index 3b9564a..e04fc20 100644
--- a/src/app/instances/netslice-instances/NetsliceInstancesComponent.ts
+++ b/src/app/instances/netslice-instances/NetsliceInstancesComponent.ts
@@ -138,12 +138,15 @@
 
     /** Instantiate Net Slice using modalservice @public */
     public instantiateNetSlice(): void {
+        // eslint-disable-next-line security/detect-non-literal-fs-filename
         const modalRef: NgbModalRef = this.modalService.open(InstantiateNetSliceTemplateComponent, { backdrop: 'static' });
         modalRef.result.then((result: MODALCLOSERESPONSEDATA) => {
             if (result) {
                 this.generateData();
             }
-        }).catch();
+        }).catch((): void => {
+            // Catch Navigation Error
+        });
     }
 
     /** Generate smart table row title and filters @public  */
@@ -267,7 +270,9 @@
             }
             this.dataSource.load(this.nstInstanceData).then((data: {}) => {
                 this.isLoadingResults = false;
-            }).catch();
+            }).catch((): void => {
+                // Catch Navigation Error
+            });
         }, (error: ERRORDATA) => {
             this.restService.handleError(error, 'get');
             this.isLoadingResults = false;