Feature/Simplify labels in treemap chart (#3912)

* Simplify labels in treemap chart

* Update changelog

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Improved the labels of the chart of the holdings tab on the home page (experimental)
 - Exposed the timeout of the portfolio snapshot computation as an environment variable (`PROCESSOR_PORTFOLIO_SNAPSHOT_COMPUTATION_TIMEOUT`)
 - Improved the portfolio unit tests to work with exported activity files
 

libs/ui/src/lib/treemap-chart/treemap-chart.component.ts

@@ -151,13 +151,12 @@ export class GfTreemapChartComponent
             align: 'left',
             color: ['white'],
             display: true,
-            font: [{ size: 14 }, { size: 11 }, { lineHeight: 2, size: 14 }],
+            font: [{ size: 16 }, { lineHeight: 1.5, size: 14 }],
             formatter(ctx) {
               const netPerformancePercentWithCurrencyEffect =
                 ctx.raw._data.netPerformancePercentWithCurrencyEffect;
 
               return [
-                ctx.raw._data.name,
                 ctx.raw._data.symbol,
                 `${netPerformancePercentWithCurrencyEffect > 0 ? '+' : ''}${(ctx.raw._data.netPerformancePercentWithCurrencyEffect * 100).toFixed(2)}%`
               ];