feat(custom-templates): filter templates by edge [EE-6565] (#10979)

api/internal/slices/slices.go

@@ -8,3 +8,16 @@ func Map[T, U any](s []T, f func(T) U) []U {
 	}
 	return result
 }
+
+// Filter returns a new slice containing only the elements of the slice for which the given predicate returns true
+func Filter[T any](s []T, predicate func(T) bool) []T {
+	n := 0
+	for _, v := range s {
+		if predicate(v) {
+			s[n] = v
+			n++
+		}
+	}
+
+	return s[:n]
+}