[Compiler][Fix] Properly cast values to booleans

include/dusk/AST/ASTPrinter.h

include/dusk/AST/Scope.h

include/dusk/Frontend/CompilerInvocation.h

include/dusk/Frontend/Formatter.h

lib/AST/ASTPrinter.cpp

lib/Frontend/CompilerInstance.cpp

lib/Frontend/CompilerInvocation.cpp

lib/IRGen/GenRValue.cpp

lib/Sema/TypeCheckDecl.cpp

lib/Sema/TypeCheckExpr.cpp

lib/Sema/TypeCheckStmt.cpp

lib/Sema/TypeChecker.cpp