Clear Data doesn't work for domain objects that are contained in a plot or layout

[davetsay]

Core fix: nasa/openmct#7947

Describe the defect

See nasa/openmct#7947

Expected behavior

Steps To Reproduce
Test the missing scenario for clearing data

case: !domainObjectToClear
    => No given object, is global clear.
case: this.openmct.objects.areIdsEqual(domainObjectToClear.identifier,this.domainObject.identifier)
     => This object and the requested object are the same, should be cleared
case: this.compositionPathContainsId(domainObjectToClear)
     => This currently checks if the domainObjectToClear contains this.domainObject.identifier. I do not believe this is a real use case. In fact, I'm fairly sure this line:  if (!domainObjectToFind.composition) { return false;} was someone seasoning the spaghetti because the function was written backwards. I assert that the intent of the function is the following case:
case (missing): Current Composition Path Contains Object To Clear. Checks the composition of the current domain object to check if its composition contains the series that we're requesting to clear. If you put this case in, an emitted 'cleardata' from a plugin works as expected. This is needed because the containing object (say, an overlay plot) of the plot receives the emitted 'ClearData' request of the contained plotting object.

Additional context