Fix/enum representation types

[JackNWhite]

Originating Project/Creator	Jack White
Affected Component	XML loader
Related Issue(s)	nasa/fprime-tools/issues/17
Has Unit Tests (y/n)	n

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Change Description

When loading enums, XML loader checks whether this field exists for the enum in question, and defaults to I32.

Rationale

Serialization/representation types are part of the F' and FPP specs, but are not, in fact, supported.

Accompanying PRs

• Fix/enum representation types fprime-tools#184
• Fix/enum representation types fprime#2419

[LeStarch]

This looks good too. We'll need to fix the test. However, we'll need an alpha release of fprime-tools and to add that to the setup.py file as we've changed the underlying interface.

[LeStarch]

This is approved once we get an alpha release of the fprime-tools fix.

[LeStarch]

Closed And reopened to trick CI