Fix Gitea wrapper login resolution

packages/mosaic/framework/tools/git/issue-assign.sh

@@ -98,7 +98,11 @@ case "$PLATFORM" in
         ;;
     gitea)
         # tea issue edit syntax
-        CMD="tea issue edit $ISSUE"
+        REPO_ARGS=$(get_gitea_repo_args) || {
+            echo "Error: Could not resolve Gitea repo/login args for remote host" >&2
+            exit 1
+        }
+        CMD="tea issue edit $ISSUE $REPO_ARGS"
         NEEDS_EDIT=false
 
         if [[ -n "$ASSIGNEE" ]]; then
@@ -112,7 +116,7 @@ case "$PLATFORM" in
             NEEDS_EDIT=true
         fi
         if [[ -n "$MILESTONE" ]]; then
-            MILESTONE_ID=$(tea milestones list 2>/dev/null | grep -E "^\s*[0-9]+" | grep "$MILESTONE" | awk '{print $1}' | head -1)
+            MILESTONE_ID=$(tea milestones list $REPO_ARGS 2>/dev/null | grep -E "^\s*[0-9]+" | grep "$MILESTONE" | awk '{print $1}' | head -1)
             if [[ -n "$MILESTONE_ID" ]]; then
                 CMD="$CMD --milestone $MILESTONE_ID"
                 NEEDS_EDIT=true