Fixed: Don't able to choose the format for git (#4203)

CHANGELOG.md

@@ -57,6 +57,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Uncaught TypeError: this.el.node.getScreenCTM() is null in Firefox (<https://github.com/openvinotoolkit/cvat/pull/4175>)
 - Bug: canvas is busy when start playing, start resizing a shape and do not release the mouse cursor (<https://github.com/openvinotoolkit/cvat/pull/4151>)
 - Bug: could not receive frame N. TypeError: Cannot read properties of undefined (reding "filename") (<https://github.com/openvinotoolkit/cvat/pull/4187>)
+- Cannot choose a dataset format for a linked repository if a task type is annotation (<https://github.com/openvinotoolkit/cvat/pull/4203>)
 - Fixed tus upload error over https (<https://github.com/openvinotoolkit/cvat/pull/4154>)
 - Issues disappear when rescale a browser (<https://github.com/openvinotoolkit/cvat/pull/4189>)
 - Auth token key is not returned when registering without email verification (<https://github.com/openvinotoolkit/cvat/pull/4092>)

cvat/apps/dataset_manager/formats/registry.py

@@ -57,10 +57,11 @@ def __call__(self, *args, **kwargs):
 
 def format_for(export_format, mode):
     format_name = export_format
-    if mode == "annotation":
-        format_name = "CVAT for images 1.1"
-    elif export_format not in EXPORT_FORMATS:
-        format_name = "CVAT for video 1.1"
+    if export_format not in EXPORT_FORMATS:
+        if mode == "annotation":
+            format_name = "CVAT for images 1.1"
+        else:
+            format_name = "CVAT for video 1.1"
     return format_name