decrease the minZoom level to allow users to see the whole map (#2736)

* decrease the minZoom level to allow users to see the whole map

* fix the test

Author: CollinBeczak

src/components/TaskClusterMap/TaskClusterMap.jsx

@@ -32,7 +32,7 @@ import "./TaskClusterMap.scss";
 const VisibleTileLayer = WithVisibleLayer(SourcedTileLayer);
 
 export const MAX_ZOOM = 18;
-export const MIN_ZOOM = 2;
+export const MIN_ZOOM = 0;
 
 /**
  * An uncluster option will be offered if no more than number of tasks
@@ -232,7 +232,7 @@ export const TaskClusterMap = (props) => {
       <MapContainer
         attributionControl={false}
         center={props.center}
-        minZoom={2}
+        minZoom={0}
         maxZoom={18}
         maxBounds={[
           [-90, -180],

src/components/TaskClusterMap/TaskClusterMap.test.jsx

@@ -8,7 +8,7 @@ describe("TaskClusterMap", () => {
     const { getByText } = global.withProvider(
       <TaskClusterMap getUserAppSetting={() => null} taskMarkers={[]} />,
     );
-    const text = getByText("3000 km");
+    const text = getByText("10000 km");
     expect(text).toBeInTheDocument();
   });