InputDecorator M3 tests migration - Step6 - constraints (#145213)

## Description

This PR migrates `InputDecorator.constraints` related tests to M3 and also various regression tests.

It is the fifth step for the M3 test migration for `InputDecorator`.
Step 1: https://github.com/flutter/flutter/pull/142981
Step 2: https://github.com/flutter/flutter/pull/143369
Step 3: https://github.com/flutter/flutter/pull/143520
Step 4: https://github.com/flutter/flutter/pull/144169
Step 5: https://github.com/flutter/flutter/pull/144932

## Related Issue

Related to https://github.com/flutter/flutter/issues/139076

@justinmc A somewhat small PR, I wanted to migrate the small group related to 'InputDecoration.constraints' (starting at line 2801), it adds a test checking min interactive height and two others that shows one way to bypass the standard min interactive height.