datasources: Only include Origin header if enabled
ImportProjectDialog was still #including the OriginProjectParser header,
which caused a build error if -DENABLE_LIBORIGIN=OFF.
Signed-off-by: A. Wilcox <AWilcox@Wilcox-Tech.com>
Fixes: d67faf643b2e69c017c21e9d9aaa1fe2d3de6b0e
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Test suite: disable Origin tests when lib is disabled
Compiling with liborigin disabled caused a build failure while building
ProjectImportTest, because it still unconditionally #included
OriginProjectParser and called into Origin code.