See merge request !945

157963787::When we select the multiple documents from the browse crm field while sending the mail ,emails send only with one document

#157925755::When we select the multiple documents from both CRM and local folder to send mail , getting 500 error

#157925755::When we select the multiple documents from both CRM and local folder to send mail , getting 500 error

#156857530::Despite the organization name being mandatory on invoices, the system allows the invoices to be saved without entering an organization name.

156857530::Despite the organization name being mandatory on invoices, the system allows the invoices to be saved without entering an organization name

#157229586::When we choose an invalid expression in the workflow condition, the target page breaks after it has been executed.

#Fixed: 1. Events and tasks scheduled for Saturdays are not being shown in the agenda list within the Calendar module. Reports save is failing if we select Assign to 

1. Popup view in Products selected ids are cleared when we do search (post selection of the record)
2. Send email is failing.

#282510::when we upload .png file in the documents ,preview is not displaying as well when we download same file it getting corrupted

See merge request vtiger/vtigercrm!933