fix(git): separate blame gutter from buffer text

lua/git/blame.lua

@@ -390,25 +390,6 @@ local function render_inline(buf)
     })
 end
 
----The native fold / sign / number column items, each emitted only when
----its window option is on.
----@param win integer
----@return string
-local function native_items(win)
-    local wo = vim.wo[win]
-    local items = ""
-    if wo.foldcolumn ~= "0" then
-        items = items .. "%C"
-    end
-    if wo.signcolumn ~= "no" then
-        items = items .. "%s"
-    end
-    if wo.number or wo.relativenumber then
-        items = items .. "%l"
-    end
-    return items
-end
-
 ---The maximum width the native fold / sign / number columns can occupy.
 ---Computed from the window options, not evaluated: evaluating a
 ---statuscolumn reports the window's current gutter width, which the
@@ -515,10 +496,6 @@ local function gutter(win, lnum, virtnum)
     return (virtnum == 0 and state.blame_text[lnum]) or state.blame_blank or ""
 end
 
-M._gutter = gutter
-M._layout = layout
-M._native_width = native_width
-
 function M.statuscolumn()
     local ok, result =
         pcall(gutter, vim.api.nvim_get_current_win(), vim.v.lnum, vim.v.virtnum)
@@ -556,7 +533,10 @@ local function refresh_gutter_columns()
         if on and not has_blame then
             saved_statuscolumn[win] = saved_statuscolumn[win]
                 or vim.wo[win].statuscolumn
-            set_statuscolumn(win, BLAME_EXPR .. native_items(win))
+            set_statuscolumn(
+                win,
+                BLAME_EXPR .. "%C%s%l" .. (native_width(win) > 0 and " " or "")
+            )
         elseif not on and has_blame then
             set_statuscolumn(
                 win,
@@ -584,7 +564,10 @@ local function render(buf)
                 build_blame_text(state, win)
                 built = true
             end
-            set_statuscolumn(win, BLAME_EXPR .. native_items(win))
+            set_statuscolumn(
+                win,
+                BLAME_EXPR .. "%C%s%l" .. (native_width(win) > 0 and " " or "")
+            )
         end
     end
 end