add clip_to_bbox argument

[egagli]

Description

Right now, all functions will automatically clip to the bounding box input. While this is desirable, we should allow the option to not clip. We can create an optional boolean argument clip_to_bbox that will by default (True) clip, and not clip if passed False. I've implemented this for the MODIS_snow class only... so this needs to be added to Sentinel1, Sentinel2, HLS, and possibly the derived products.

Source code

# arg to init
clip_to_bbox=True

# in init
self.clip_to_bbox = clip_to_bbox

# in get_data
if self.clip_to_bbox:
   load_params["bbox"] = self.bbox_gdf.total_bounds