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/App.tsx

@@ -696,7 +696,7 @@ export default class App extends React.Component<any, AppState> {
         {...mapProps}
         onChange={this.onMapChange}
         debugToolbox={this.state.openlayersDebugOptions.debugToolbox}
-        onLayerSelect={this.onLayerSelect}
+        onLayerSelect={(layerId) => this.onLayerSelect(+layerId)}
       />
     } else {