Improve readability of the daily burnt BSQ chart

Relevant issue thread: #3753

Currently the daily burnt BSQ chart under 'DAO -> Facts and Figures' is
distorted by outliers. This introduces a 'Zoom to inliers' toggle (off
by default), which, when toggled on, effectively zooms the chart to
inliers, thus removing the distortion. Also, a moving average is
plotted, to further improve the chart's readibility.

The chart is also changed from an area chart to a line chart, on the
presumption that it was an area chart for cosmetic reasons, but now that
there are two series in it (the moving average was added) an area chart
makes less sense.

Another noteworthy change is that the other chart in the screen, monthly
issued BSQ, has its Y axis set to start at zero, so as to improve
readability. This might seem outside the scope of this commit, but the
other changes involved some refactoring, which involved cleaning up some
duplicated logic, which involved configuring both of these charts
together, which involved forcing zero to be on the axis.

This implementation mixes some plotting logic (responsible for zooming
in on inliers) into the view logic, because I opted to implement said
zooming as an external manipulation of a chart's axis. I chose this in
favor of implementing a new Chart, because it would have required
including multiple large classes (relevant JavaFX's classes can't be
ergonomically extended) to the code base. I presumed that my chosen
solution will be easier to maintain.

I am not entirely happy with this choice and can see myself introducing
some plotting-related classes to encapsulate creating charts like these,
thus unmixing plotting logic from view logic. In the meantime this is a
working solution, and I plan to continue working on these charts in the
near future.

core/src/main/resources/i18n/displayStrings.properties

@@ -2251,6 +2251,8 @@ dao.factsAndFigures.supply.compRequestIssueAmount=BSQ issued for compensation re
 dao.factsAndFigures.supply.reimbursementAmount=BSQ issued for reimbursement requests
 
 dao.factsAndFigures.supply.burnt=BSQ burnt
+dao.factsAndFigures.supply.burntMovingAverage=15 days moving average
+dao.factsAndFigures.supply.burntZoomToInliers=Zoom to inliers
 
 dao.factsAndFigures.supply.locked=Global state of locked BSQ
 dao.factsAndFigures.supply.totalLockedUpAmount=Locked up in bonds

desktop/src/main/java/bisq/desktop/bisq.css

@@ -1621,6 +1621,13 @@ textfield */
     -fx-stroke: -bs-buy;
 }
 
+/* The .chart-line-symbol rules change the color of the legend symbol */
+#charts-dao .default-color0.chart-series-line { -fx-stroke: -bs-buy; }
+#charts-dao .default-color0.chart-line-symbol { -fx-background-color: -bs-buy, -bs-background-color; }
+
+#charts-dao .default-color1.chart-series-line { -fx-stroke: -bs-color-green-4 }
+#charts-dao .default-color1.chart-line-symbol { -fx-background-color: -bs-color-green-4, -bs-background-color; }
+
 #charts .default-color0.chart-series-area-fill {
     -fx-fill: -bs-sell-transparent;
 }