fix(board): restore layouts after column changes (#6979)

* fix: preserve geometry across layout resizing

* style: format layout migration snapshots

packages/db/migrations/postgresql/0016_add_layout_resize_source.sql

@@ -0,0 +1 @@
+ALTER TABLE "layout" ADD COLUMN "resize_source" text;

packages/db/migrations/postgresql/meta/_journal.json

@@ -113,6 +113,13 @@
       "when": 1788763848932,
       "tag": "0015_add_byte_unit_system",
       "breakpoints": true
+    },
+    {
+      "idx": 16,
+      "version": "7",
+      "when": 1790988597957,
+      "tag": "0016_add_layout_resize_source",
+      "breakpoints": true
     }
   ]
 }