Component signals should fail if no component with the provided ID exists

[Wesselvdp]

1. consider this signal:

- signal: component/CALL
  component: uesio/io.table
  componentsignal: TOGGLE_MODE
  targettype: specific
  componentid: myCoolTable

1. This will add an item to the component slice for myCoolTable.
2. When there is no component with uesio.id: myCoolTable. Nothing will happen visually, but the signal's statechange persists in redux nonetheless.

The problem with the above is that when you misspelled the on the component or the signal, or it's not set at all. The user will need to debug himself.

Solution:

1. Add an error notification to inform the user of the missing signal target

Additional thought:
Just to challenge the solution above, could it be useful to send signals to a component state that doesn't exist but you know it will later? Like a steppable form, the user might want to send signals in order to save data to step state before it's rendered.

┆Issue is synchronized with this Clickup task by Unito