attempt to do migration in a different way

src/modules/default_config_state.js

@@ -45,7 +45,6 @@ export const instanceDefaultConfig = {
   muteSensitiveStatuses: false,
   collapseMessageWithSubject: false,
   padEmoji: true,
-  hideAttachments: false,
   hideAttachmentsInConv: false,
   hideScrobbles: false,
   hideScrobblesAfter: '2d',
@@ -133,19 +132,8 @@ export const instanceDefaultConfig = {
   userPopoverOverlay: false,
   userCardLeftJustify: false,
   userCardHidePersonalMarks: false,
-  sidebarColumnWidth: '25rem',
-  contentColumnWidth: '45rem',
-  notifsColumnWidth: '25rem',
-  themeEditorMinWidth: '0rem',
-  emojiReactionsScale: 0.5,
-  textSize: '1rem',
-  emojiSize: '2.2rem',
-  navbarSize: '3.5rem',
-  panelHeaderSize: '3.2rem',
   forcedRoundness: -1,
-  navbarColumnStretch: false,
   greentext: false,
-  mentionLinkDisplay: 'short',
   mentionLinkShowTooltip: true,
   mentionLinkShowAvatar: false,
   mentionLinkFadeDomain: true,
@@ -175,8 +163,24 @@ export const instanceDefaultConfig = {
   useAbsoluteTimeFormat: false,
   absoluteTimeFormatMinAge: '0d',
   absoluteTime12h: '24h',
-  imageCompression: true,
+}
+
+export const defaultConfigLocal = {
+  hideAttachments: false,
+  hideAttachmentsInConv: false,
+  sidebarColumnWidth: '25rem',
+  contentColumnWidth: '45rem',
+  notifsColumnWidth: '25rem',
+  themeEditorMinWidth: '0rem',
+  emojiReactionsScale: 0.5,
+  textSize: '1rem',
+  emojiSize: '2.2rem',
+  navbarSize: '3.5rem',
+  panelHeaderSize: '3.2rem',
+  navbarColumnStretch: false,
+  mentionLinkDisplay: 'short',
   alwaysUseJpeg: false,
+  imageCompression: true,
 }
 
 export const makeUndefined = (c) =>