drugstone-prefix to avioud prefixing css

src/app/components/toast/toast.component.html

 <div class="toast-holder">
     <div *ngFor="let toast of toasts | keyvalue">
-        <div class="toast drugstone-prefix-{{toast.value.type}}">
+        <div class="toast {{toast.value.type}}">
             <a (click)="close(toast.key)" aria-label="close" class="close">
                 <span class="icon" title="Close analysis">
                     <i class="fas fa-times" aria-hidden="true"></i>

src/app/components/toast/toast.component.scss

@@ -16,19 +16,19 @@
   box-shadow: 0 0.5em 1em -0.125em hsla(0, 0%, 4%, 0.1),
     0 0 0 1px hsla(0, 0%, 4%, 0.02);
   margin: 0 auto;
-  &.drugstone-prefix-danger {
+  &.drugstone-plugin-danger {
     color: var(--drgstn-text-secondary);
     background-color: var(--drgstn-danger);
   }
-  &.drugstone-prefix-success {
+  &.drugstone-plugin-success {
     color: var(--drgstn-text-secondary) !important;
     background-color: var(--drgstn-success);
   }
-  &.drugstone-prefix-warning {
+  &.drugstone-plugin-warning {
     color: var(--drgstn-text-secondary);
     background-color: var(--drgstn-warning);
   }
-  &.drugstone-prefix-info {
+  &.drugstone-plugin-info {
     color: var(--drgstn-text-secondary);
     background-color: var(--drgstn-info);
   }