Renamed blocks-... classes to components-... classes in input controls

[jorgefilipecosta]

When moving the components from @wordpress/blocks to @wordpress/components we missed this change.
This PR just renames the classes, no other change is expected.

How Has This Been Tested?

No noticeable changes are expected from this PR. So some basic smoke testing + grepping should be enough.
Verify that in ./components we don't have any usages of classes with a "blocks" prefix.
The classes may have been used in styles outside /components folder. That was not the case to verify that we can search for this strings around all Gutenberg:

blocks-base-control
blocks-checkbox-control
blocks-radio-control
blocks-range-control
blocks-select-control
blocks-text-control
blocks-textarea-control
blocks-toggle-control

No occurrence should happen. All the classes replaced were from this list or had classes in this list as prefix and they were only used inside the ./components.