refactor(git/status): rework entries into typed variants on porcelain v2

test/git/status_view_test.lua

@@ -78,7 +78,7 @@ local function setup_sidebar_with_unstaged_file(
     )
     r:refresh()
     t.wait_for(function()
-        return r.status and #r.status:by_kind("unstaged") > 0
+        return r.status and #r.status:rows("unstaged") > 0
     end, "git status to report unstaged changes")
 
     local entry_line = assert(
@@ -108,7 +108,7 @@ t.test("stage with diff open: sidebar cursor stays put", function()
     vim.api.nvim_set_current_win(sidebar_win)
     t.press("s")
     t.wait_for(function()
-        return #r.status:by_kind("staged") > 0
+        return #r.status:rows("staged") > 0
     end, "stage to propagate to repo state")
 
     t.eq(
@@ -145,7 +145,7 @@ t.test(
         vim.api.nvim_set_current_win(sidebar_win)
         t.press("s")
         t.wait_for(function()
-            return #r.status:by_kind("staged") > 0
+            return #r.status:rows("staged") > 0
         end, "stage to propagate to repo state")
 
         t.eq(