feat: Add Advanced Conversation Filters (#3239)

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Pranav Raj S <pranav@chatwoot.com>
Co-authored-by: Tejaswini <tejaswini@chatwoot.com>

app/javascript/dashboard/assets/scss/widgets/_conversation-view.scss

@@ -93,7 +93,7 @@
 
     .status--filter {
       @include padding($zero null $zero $space-normal);
-      @include margin($space-smaller $space-slab $zero $zero);
+      @include margin($zero);
       background-color: $color-background-light;
       border: 1px solid $color-border;
       float: right;