[nvim] fix: consistent names for diagnostics

.config/nvim/lua/globals.lua

@@ -8,7 +8,7 @@ local M = {} -- The module to export
 M = {
     -- misc
     sign_error = "",
-    sign_warning = "",
+    sign_warn = "",
     sign_hint = "",
     sign_info = "",
 }

.config/nvim/lua/statusline.lua

@@ -102,10 +102,10 @@ end
 local function get_lsp_diagnostics()
     local result = {}
     local levels = {
-        errors = "Error",
-        warnings = "Warn",
+        error = "Error",
+        warn = "Warn",
         info = "Info",
-        hints = "Hint"
+        hint = "Hint"
     }
 
     for k, level in pairs(levels) do
@@ -152,12 +152,12 @@ local left = table.concat {
         {
             process_diagnostics(
                 globals.sign_error .. " ",
-                diagnostics.errors,
+                diagnostics.error,
                 "%#DiagnosticVirtualTextError#"
             ),
             process_diagnostics(
-                globals.sign_warning .. " ",
-                diagnostics.warnings,
+                globals.sign_warn .. " ",
+                diagnostics.warn,
                 "%#DiagnosticVirtualTextWarn#"
             ),
             process_diagnostics(