Replace ckeditor with tinymce (#30)

* Replace ckeditor with tinymce due to deprecation
* Remove any ckeditor dependency from old migrations
   Disable alters, replace create with plain models.TextField
* Reformat files
* Add more hardening in image_upload

ram/consist/migrations/0005_alter_consist_notes.py

@@ -1,6 +1,7 @@
 # Generated by Django 4.1 on 2022-08-23 15:54
 
-import ckeditor_uploader.fields
+# ckeditor removal
+# import ckeditor_uploader.fields
 from django.db import migrations
 
 
@@ -11,9 +12,9 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.AlterField(
-            model_name="consist",
-            name="notes",
-            field=ckeditor_uploader.fields.RichTextUploadingField(blank=True),
-        ),
+        # migrations.AlterField(
+        #     model_name="consist",
+        #     name="notes",
+        #     field=ckeditor_uploader.fields.RichTextUploadingField(blank=True),
+        # ),
     ]

ram/consist/migrations/0010_alter_consist_notes.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0.2 on 2024-02-17 12:19
+
+import tinymce.models
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("consist", "0009_alter_consist_image"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="consist",
+            name="notes",
+            field=tinymce.models.HTMLField(blank=True),
+        ),
+    ]