SDKv2 Test Primitive types in Diff

[VenelinMartinov]

For schemas with TF primitive types:

• Bool
• String
• Float
• Int

with the additional variations:

• Optional
• Required
• Optional + Computed
  • set in the program
  • set by the provider
• Defaults

each of these with:

• ForceNew

for the following scenarios:

• null unchanged
• non-null unchanged
• added
• removed
• changed