build: update to angular-v9.1.12 (#1215)

Fixes: #1216

src/app/clients/clients-view/client-actions/client-screen-reports/client-screen-reports.component.ts

@@ -27,7 +27,7 @@ export class ClientScreenReportsComponent implements OnInit {
   template: any;
 
   /** Screen report output reference */
-  @ViewChild('screenReport') screenReportRef: ElementRef;
+  @ViewChild('screenReport', { static: true }) screenReportRef: ElementRef;
 
   /**
    * Fetches Client Action Data from `resolve`

src/app/clients/clients-view/client-actions/view-survey/view-survey.component.ts

@@ -1,7 +1,9 @@
 /** Angular Imports */
 import { Component, OnInit, ViewChild } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
-import { MatTableDataSource, MatPaginator, MatSort } from '@angular/material';
+import { MatPaginator } from '@angular/material/paginator';
+import { MatSort } from '@angular/material/sort';
+import { MatTableDataSource } from '@angular/material/table';
 
 /**
  * View Survey component.
@@ -21,9 +23,9 @@ export class ViewSurveyComponent implements OnInit {
   displayedColumns: string[] = ['surveyName', 'createdBy', 'date', 'score'];
 
   /** Paginator for list of surveys table. */
-  @ViewChild(MatPaginator) paginator: MatPaginator;
+  @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
   /** Sorter for list of surveys table. */
-  @ViewChild(MatSort) sort: MatSort;
+  @ViewChild(MatSort, { static: true }) sort: MatSort;
 
 
   /**