UI: Fixed help button color

ui-ngx/src/app/modules/home/pages/admin/sms-provider.component.scss

@@ -15,7 +15,6 @@
  */
 :host {
   .mat-mdc-card-header {
-    align-items: center;
     min-height: 64px;
   }
 

ui-ngx/src/styles.scss

@@ -689,7 +689,7 @@ pre.tb-highlight {
     }
   }
 
-  mat-toolbar.mat-mdc-table-toolbar:not(.mat-primary), .mat-mdc-cell, .mat-expansion-panel-header {
+  mat-toolbar.mat-mdc-table-toolbar:not(.mat-primary), .mat-mdc-cell, .mat-expansion-panel-header, mat-card-header.mat-mdc-card-header {
     button.mat-mdc-icon-button {
       .mat-icon {
         color: rgba(0, 0, 0, .54);
@@ -736,6 +736,10 @@ pre.tb-highlight {
     }
   }
 
+  mat-card-header.mat-mdc-card-header {
+    align-items: center;
+  }
+
   .mat-mdc-footer-row::after, .mat-mdc-header-row::after, .mat-mdc-row::after {
     content: none;
   }