Fix Excell date parsing [SCI-10856]

app/controllers/repositories_controller.rb

@@ -264,6 +264,7 @@ class RepositoriesController < ApplicationController
       parsed_file = ImportRepository::ParseRepository.new(
         file: import_params[:file],
         repository: @repository,
+        date_format: current_user.settings['date_format'],
         session: session
       )
       if parsed_file.too_large?

app/services/spreadsheet_parser.rb

@@ -60,7 +60,9 @@ class SpreadsheetParser
         if cell.is_a?(Roo::Excelx::Cell::Number) && cell.format == 'General'
           cell&.value&.to_d
         elsif date_format && cell&.value.is_a?(Date)
-          cell&.value&.strftime(date_format)
+          cell&.value&.strftime(
+            "#{date_format} #{' %H:%M' if cell.value.is_a?(DateTime)}"
+          )
         else
           cell&.formatted_value
         end