Standardize editorconfig line endings to LF and enable final newlines

Co-authored-by: erik <erik@zettersten.com>

Author: cursoragent

.editorconfig

@@ -8,7 +8,7 @@ indent_size = 4
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
-end_of_line = crlf
+end_of_line = lf
 
 # C# files
 [*.cs]

BlazorCanvas2d/.editorconfig

@@ -1,5 +1,5 @@
-# Remove the line below if you want to inherit .editorconfig settings from higher directories
-root = true
+# Inherit settings from the repository root .editorconfig
+root = false
 
 # C# files
 [*.cs]
@@ -11,9 +11,9 @@ indent_size = 4
 indent_style = space
 tab_width = 4
 
-# New line preferences
-end_of_line = crlf
-insert_final_newline = false
+# New line preferences (match repo-wide conventions)
+end_of_line = lf
+insert_final_newline = true
 
 #### .NET Code Actions ####
 
@@ -251,7 +251,7 @@ dotnet_diagnostic.IDE0160.severity = none
 dotnet_style_operator_placement_when_wrapping = beginning_of_line
 tab_width = 4
 indent_size = 4
-end_of_line = crlf
+end_of_line = lf
 dotnet_style_coalesce_expression = true:suggestion
 dotnet_style_null_propagation = true:suggestion
 dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion