Check paginations

[Gouga34]

Check and correct the pagination of each service.

Check :

• Projects
• Experimentations
• Agronomical objects
• Datasets
• Documents
• Groups
• Images
• Methods
• Traits
• Units
• Variables
• Sensors
• Vectors
• Users
• AcquisitionSession

Needs correction :

• Project : the pagination does not work
• Experimentation : the pagination does not work
• Agronomical Object : count instead of getting all the results
• Documents : count instead of getting all the results
• Groups : the pagination does not work, totalCount always equals to the pageSize
• Images : count instead of getting all the results
• Methods : count instead of getting all the results
• Traits : count instead of getting all the results
• Units : count instead of getting all the results
• Variables : count instead of getting all the results
• Sensors : count instead of getting all the results
• Vectors : count instead of getting all the results
• Users : the pagination does not work, totalCount always equals to the pageSize
• [] AcquisitionSession : the pagination does not work