Dashboards Iteration 2: Layout / Grid Options

[sosiology]

Description the goal of this iteration is to work on layout options for the dashboard features. It includes Design work such as defining how many charts are shown per row and UI enhancements needed for the feature. The development work includes validating the feasibility of the proposed design, and a first implementation of an enhanced Dashboard Layout option allowing the user to place multiple charts on a grid and order them as needed.

DoD A user in visualize can create a dashboard with different charts on a single canvas, allowing them to order the charts beyond the existing options of Tall and Vertical layout