Fix Chart Centering in RTL Layouts (#19800)

* style: update chart widget container to display full width and centered content

* Update theme.css

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Co-authored-by: Dan Harrin <git@danharrin.com>

Author: aymanalareqi

packages/panels/dist/theme.css

@@ -1,6 +1,6 @@
 .fi-wi-chart {
     & .fi-wi-chart-canvas-ctn {
-        @apply mx-auto;
+        @apply mx-auto flex w-full justify-center;
 
         &:not(.fi-wi-chart-canvas-ctn-no-aspect-ratio) {
             @apply aspect-square;