Feat/remote rerunviz encoded images (#2767)

* feat(visualization): allow remote viewer + compress rerun images

* fix(tests): allow named argument in mocked rerun

* feat(visualization): ip instead or url & cli arg for compressing images

---------

Co-authored-by: J4nn1K <jannik@grothusen.de>

tests/utils/test_visualization_utils.py

@@ -41,7 +41,10 @@ def mock_rerun(monkeypatch):
         def __init__(self, arr):
             self.arr = arr
 
-    def dummy_log(key, obj, **kwargs):
+    def dummy_log(key, obj=None, **kwargs):
+        # Accept either positional `obj` or keyword `entity` and record remaining kwargs.
+        if obj is None and "entity" in kwargs:
+            obj = kwargs.pop("entity")
         calls.append((key, obj, kwargs))
 
     dummy_rr = SimpleNamespace(