Added confirm dialog component to help with confirming actions

src/app/dialogs/confirm-dialog/confirm-dialog.component.html

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+<h4 mat-dialog-title>{{dialogTitle}}</h4>
+<mat-dialog-content>
+  <div>
+    {{dialogText}}
+  </div>
+</mat-dialog-content>
+<mat-dialog-actions>
+  <!-- The mat-dialog-close directive optionally accepts a value as a result for the dialog. -->
+  <button color="primary" mat-flat-button type="submit" [mat-dialog-close]="true">{{submitText}}</button>
+  <span class="spacer"></span>
+  <button style="float: right;" mat-stroked-button mat-dialog-close>Cancel</button>
+</mat-dialog-actions>

src/app/dialogs/confirm-dialog/confirm-dialog.component.scss

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+.spacer {flex: 1 1 auto;}

src/app/dialogs/confirm-dialog/confirm-dialog.component.spec.ts

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+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ConfirmDialogComponent } from './confirm-dialog.component';
+
+describe('ConfirmDialogComponent', () => {
+  let component: ConfirmDialogComponent;
+  let fixture: ComponentFixture<ConfirmDialogComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ ConfirmDialogComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ConfirmDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/dialogs/confirm-dialog/confirm-dialog.component.ts

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+import { Component, OnInit, Inject } from '@angular/core';
+import { MAT_DIALOG_DATA } from '@angular/material/dialog';
+
+@Component({
+  selector: 'app-confirm-dialog',
+  templateUrl: './confirm-dialog.component.html',
+  styleUrls: ['./confirm-dialog.component.scss']
+})
+export class ConfirmDialogComponent implements OnInit {
+
+  dialogTitle: 'Confirm';
+  dialogText: 'Would you like to confirm?';
+  submitText: 'Yes'
+
+  constructor(@Inject(MAT_DIALOG_DATA) public data: any) {
+    if (this.data.dialogTitle) { this.dialogTitle = this.data.dialogTitle };
+    if (this.data.dialogText) { this.dialogText = this.data.dialogText };
+    if (this.data.submitText) { this.submitText = this.data.submitText };
+  }
+
+  ngOnInit(): void {
+  }
+
+}