[PM-31684] Remove email hashing for send access (#6945)

* [PM-31684] Remove email hashing for send access

* [PM-31684] switching the order of migration files

* [PM-31684] adding more migrations

* [PM-31684] Removing anon access emails field  and reusing emails field

* [PM-31684] cleanup before adding migrations back

* [PM-31684] restore original snapshots

* [PM-31684] restore original postgres snapshots

* [PM-31684] adding migrations

* [PM-31684] removing encryption attributes from emails request model

* [PM-31684] adding missing stored proc alters

* [PM-31684] Improved formatting for stored proc defs

* [PM-31684] adding necessary comment back

* [PM-31684] adding case-insensitive check on the server for send auth

util/PostgresMigrations/Migrations/20260204191814_2026-02-03_00_Send_Remove_EmailHashes_Column.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Bit.PostgresMigrations.Migrations;
+
+/// <inheritdoc />
+public partial class _20260203_00_Send_Remove_EmailHashes_Column : Migration
+{
+    /// <inheritdoc />
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.DropColumn(
+            name: "EmailHashes",
+            table: "Send");
+    }
+
+    /// <inheritdoc />
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.AddColumn<string>(
+            name: "EmailHashes",
+            table: "Send",
+            type: "character varying(4000)",
+            maxLength: 4000,
+            nullable: true);
+    }
+}

util/PostgresMigrations/Migrations/DatabaseContextModelSnapshot.cs

@@ -1758,10 +1758,6 @@ namespace Bit.PostgresMigrations.Migrations
                     b.Property<bool>("Disabled")
                         .HasColumnType("boolean");
 
-                    b.Property<string>("EmailHashes")
-                        .HasMaxLength(4000)
-                        .HasColumnType("character varying(4000)");
-
                     b.Property<string>("Emails")
                         .HasMaxLength(4000)
                         .HasColumnType("character varying(4000)");