fix: Match color of activated "Event Types" boxes to other boxes (#5681)

Author: DIVYAM TAYAL

app/styles/vars.scss

@@ -6,3 +6,9 @@ $ember-power-select-border-color: rgba(34, 36, 38, .15) !default;
 $ember-power-select-line-height: 2.642857143em !default;
 $ember-power-select-highlighted-background: rgba(0, 0, 0, .05) !default;
 $ember-power-select-highlighted-color: rgba(0, 0, 0, .95) !default;
+$ember-power-select-dropdown-left-border: 1px solid #96c8da !default;
+$ember-power-select-dropdown-right-border: 1px solid #96c8da !default;
+$ember-power-select-dropdown-bottom-border: 1px solid #96c8da !default;
+$ember-power-select-dropdown-top-border: 0 !default;
+$ember-power-select-focus-border-color: #96c8da !default;
+$ember-power-select-focus-outline: unset !default;