Patch exports in @react-leaflet/core

See PaulLeCam/react-leaflet#1141

frontend/.yarn/patches/@react-leaflet-core-npm-2.1.0-de483ca53f.patch

@@ -0,0 +1,14 @@
+diff --git a/package.json b/package.json
+index 924b5880e3bbd8aaf60c143d5abfa25dbadcd8b3..ee63bf9f5ba456623d6d9320fafcd2f0fa64e621 100644
+--- a/package.json
++++ b/package.json
+@@ -22,7 +22,8 @@
+   "main": "lib/index.js",
+   "types": "lib/index.d.ts",
+   "exports": {
+-    ".": "./lib/index.js"
++    ".": "./lib/index.js",
++    "./lib/context": "./lib/context.js"
+   },
+   "files": [
+     "lib/*"

frontend/package.json

@@ -157,7 +157,8 @@
     }
   },
   "resolutions": {
-    "webpack@npm:5.37.1/terser-webpack-plugin": "5.1.1"
+    "webpack@npm:5.37.1/terser-webpack-plugin": "5.1.1",
+    "@react-leaflet/core@npm:^2.1.0": "patch:@react-leaflet/core@npm%3A2.1.0#~/.yarn/patches/@react-leaflet-core-npm-2.1.0-de483ca53f.patch"
   },
   "engines": {
     "node": ">= 20.9.0"

frontend/yarn.lock

@@ -3156,7 +3156,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@react-leaflet/core@npm:^2.1.0":
+"@react-leaflet/core@npm:2.1.0":
   version: 2.1.0
   resolution: "@react-leaflet/core@npm:2.1.0"
   peerDependencies:
@@ -3167,6 +3167,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@react-leaflet/core@patch:@react-leaflet/core@npm%3A2.1.0#~/.yarn/patches/@react-leaflet-core-npm-2.1.0-de483ca53f.patch":
+  version: 2.1.0
+  resolution: "@react-leaflet/core@patch:@react-leaflet/core@npm%3A2.1.0#~/.yarn/patches/@react-leaflet-core-npm-2.1.0-de483ca53f.patch::version=2.1.0&hash=178615"
+  peerDependencies:
+    leaflet: ^1.9.0
+    react: ^18.0.0
+    react-dom: ^18.0.0
+  checksum: 10/00e3a5982d41a27dd41113de55af31b47e2719151d5a4dd472115899a9ed3881b824c285f38c32a579034eefad1743332e9a27be205114fd14768ebb862835eb
+  languageName: node
+  linkType: hard
+
 "@react-spring/animated@npm:~9.7.3":
   version: 9.7.3
   resolution: "@react-spring/animated@npm:9.7.3"