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

Fixes: #1216

src/app/clients/client-stepper/client-address-step/client-address-step.component.ts

@@ -1,6 +1,6 @@
 /** Angular Imports */
 import { Component, Input } from '@angular/core';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 
 /** Custom Models */
 import { FormfieldBase } from 'app/shared/form-dialog/formfield/model/formfield-base';

src/app/clients/client-stepper/client-family-members-step/client-family-member-dialog/client-family-member-dialog.component.ts

@@ -1,6 +1,6 @@
 /** Angular Imports */
 import { Component, OnInit, Inject } from '@angular/core';
-import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material';
+import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
 import { FormGroup, FormBuilder, Validators } from '@angular/forms';
 import { DatePipe } from '@angular/common';
 

src/app/clients/client-stepper/client-family-members-step/client-family-members-step.component.ts

@@ -1,7 +1,7 @@
 /** Angular Imports */
 import { Component, OnInit, Input } from '@angular/core';
 import { Router, ActivatedRoute } from '@angular/router';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 
 /** Custom Components */
 import { DeleteDialogComponent } from 'app/shared/delete-dialog/delete-dialog.component';