UI spelling: use US form of visualization (#24558)

public/app/features/dashboard/components/PanelEditor/PanelOptionsTab.tsx

@@ -63,7 +63,7 @@ export const PanelOptionsTab: FC<Props> = ({
   );
 
   elements.push(
-    <OptionsGroup title="Visualisation" id="Panel type" key="Panel type" defaultToClosed onToggle={focusVisPickerInput}>
+    <OptionsGroup title="Visualization" id="Panel type" key="Panel type" defaultToClosed onToggle={focusVisPickerInput}>
       <VisualizationTab panel={panel} ref={visTabInputRef} />
     </OptionsGroup>
   );

public/app/features/dashboard/components/PanelEditor/VisualizationTab.tsx

@@ -68,7 +68,7 @@ export const VisualizationTabUnconnected = React.forwardRef<HTMLInputElement, Pr
             onKeyPress={onKeyPress}
             prefix={<Icon name="filter" className={styles.icon} />}
             suffix={suffix}
-            placeholder="Filter visualisations"
+            placeholder="Filter visualizations"
             ref={ref}
           />
         </Field>

public/app/features/dashboard/components/TransformationsEditor/TransformationsEditor.tsx

@@ -134,9 +134,9 @@ export class TransformationsEditor extends React.PureComponent<Props> {
             <p>
               Transformations allow you to join, calculate, re-order, hide and rename your query results before being
               visualized. <br />
-              Many transforms are not suitable if your using the Graph visualisation as it currently only supports time
+              Many transforms are not suitable if your using the Graph visualization as it currently only supports time
               series. <br />
-              It can help to switch to Table visualisation to understand what a transformation is doing. <br />
+              It can help to switch to Table visualization to understand what a transformation is doing. <br />
             </p>
             <p>Select one of the transformations below to start.</p>
           </FeatureInfoBox>