Update React to 19 (#1360)

## Launch Checklist

This updates React to 19.
It removes the unmaintained `react-icon-base` package and uses icons
from the existing one (also removes the svgs).
It also updates the other packages so that everything should be up to
date.

 - [x] Briefly describe the changes in this PR.

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/components/MapOpenLayers.tsx

@@ -29,7 +29,7 @@ type MapOpenLayersInternalProps = {
   mapStyle: object
   accessToken?: string
   style?: object
-  onLayerSelect(...args: unknown[]): unknown
+  onLayerSelect(layerId: string): void
   debugToolbox: boolean
   replaceAccessTokens(...args: unknown[]): unknown
   onChange(...args: unknown[]): unknown
@@ -156,7 +156,7 @@ class MapOpenLayersInternal extends React.Component<MapOpenLayersInternalProps,
     const t = this.props.t;
     return <div className="maputnik-ol-container">
       <div
-        ref={x => this.popupContainer = x}
+        ref={x => {this.popupContainer = x}}
         style={{background: "black"}}
         className="maputnik-popup"
       >
@@ -193,7 +193,7 @@ class MapOpenLayersInternal extends React.Component<MapOpenLayersInternalProps,
       }
       <div
         className="maputnik-ol"
-        ref={x => this.container = x}
+        ref={x => {this.container = x}}
         role="region"
         aria-label={t("Map view")}
         style={{