lisa.analysis.base: Fix plot method composition
lisa.analysis.base: Fix plot method composition

Ignore user-provided local_fig as it is set internally by the plot_method()
decorator. This allows seemless method chaining using **kwargs.

credp/lisa,ARM-software/lisa,ARM-software/lisa,credp/lisa,credp/lisa,credp/lisa,ARM-software/lisa,ARM-software/lisa