improved iconPicker component + other improvements

prisma/migrations/20240819003838_add_icon_related_fields_to_link_and_collection_model/migration.sql

@@ -0,0 +1,8 @@
+-- AlterTable
+ALTER TABLE "Collection" ADD COLUMN     "icon" TEXT,
+ADD COLUMN     "iconWeight" TEXT;
+
+-- AlterTable
+ALTER TABLE "Link" ADD COLUMN     "color" TEXT,
+ADD COLUMN     "icon" TEXT,
+ADD COLUMN     "iconWeight" TEXT;

prisma/migrations/20240819005010_remove_collection_model_default_color/migration.sql

@@ -0,0 +1,3 @@
+-- AlterTable
+ALTER TABLE "Collection" ALTER COLUMN "color" DROP NOT NULL,
+ALTER COLUMN "color" DROP DEFAULT;