Change compiler suggestion when not using return value of a function that returns a `Task`

**Is your feature request related to a problem? Please describe.**

I believe that the F# compiler is providing a wrong suggestion when ignoring (not meaning using `|> ignore`) a result of a function that returns a `Task`. Below is a comparison between C# and F#

`C#`:

`F#`:

The compiler is suggesting a default approach which is to either to pass the result into `ignore` function or to use actual bindings like `let`, which is inherently wrong and must not be suggested, because it is a very rare case, when one actually needs a fire-and-forget operation

**Describe the solution you'd like**

There must be a different suggestion when ignoring a result of Task returning functions. Something like in C#

**Describe alternatives you've considered**

None

**Additional context**

related: #1103

Add any other context or screenshots about the feature request here.

Example wrong behaviour:

Example proper behaviour: