Fixed prompt input to filter out 0x0D and 0x08 keystrokes

These can occur when pasting input with line-feeds.

internal/common/sliceutils/map.go

@@ -7,3 +7,13 @@ func Map[T, U any](ts []T, fn func(t T) U) []U {
 	}
 	return us
 }
+
+func Filter[T any](ts []T, fn func(t T) bool) []T {
+	us := make([]T, 0)
+	for _, t := range ts {
+		if fn(t) {
+			us = append(us, t)
+		}
+	}
+	return us
+}