set correct map view if opened stylefile provides a map view and the current map is empty (#1552)

## Launch Checklist

closes https://github.com/maplibre/maputnik/issues/1546

 - [x] Link to related issues.
 https://github.com/maplibre/maputnik/issues/1546
 - [x] Write tests for all new functionality.
 - [x] Add an entry to `CHANGELOG.md` under the `## main` section.

---------

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

cypress/fixtures/example-style-with-zoom-5-and-center-50-50.json

@@ -0,0 +1,19 @@
+{
+    "id": "test-style",
+    "center": [50,50],
+    "zoom": 5,
+    "version": 8,
+    "name": "Test Style",
+    "sources": {
+        "rectangles": {
+        "type": "geojson",
+        "data": {
+            "type": "FeatureCollection",
+            "features": []
+        }
+      }
+    },
+    "glyphs": "https://example.local/fonts/{fontstack}/{range}.pbf",
+    "sprites": "https://example.local/fonts/{fontstack}/{range}.pbf",
+    "layers": []
+}

cypress/fixtures/example-style-with-zoom-7-and-center-0-51.json

@@ -0,0 +1,17 @@
+{
+    "id": "test-style",
+    "center": [0,51],
+    "zoom": 7,
+    "version": 8,
+    "name": "Test Style",
+    "sources": {
+        "rectangles": {
+        "type": "geojson",
+        "data": {
+            "type": "FeatureCollection",
+            "features": []
+        }
+      }
+    },
+    "layers": []
+}