Add tip to Applications & Tools doc about filtering

[MustafaJafar]

Is there an existing issue for this?

• I have searched the existing issues.

Please describe the feature you have in mind and explain what the current shortcomings are?

Emphasize that filtering is done by task. i.e. for each task type, what are the applications available.
Also mention that the first value to pass the filter will be used.

How would you imagine the implementation of the feature?

Add examples to the doc. for inspiration: https://community.ynput.io/t/ayon-pipeline-application-tools-settings/1793/2?u=mustafa_jafar

Are there any labels you wish to add?

• I have added the relevant labels to the enhancement request.

Describe alternatives you've considered:

No response

Additional context:

No response