* Natuve float type + proper QueryPragmas propagation

[shmuelhanoch]

• Added a flag for ESQL's DataType's widenSmallType, to control to widening of floats

• Threaded QueryPragmas into any place in theh code which eventually calls widenSmallType, to allow conditioning the float widening on the session / query specific pragmas.

• For now, provided QueryPragmas.EMPTY as a hard coded argument for all the tests that now needs pragmas because of those changes. Ideally, next thing should be to inject pragmas into the tests from a single place, and using a Gradle command parameter. This will make sure that all the tests are running with the same pragmas values, and ` avoid redyndant degrees of freedom where each test manually pass its own value.

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