test: fix Galaxy-tag Phase7 test fixtures + S7 CLI enum; add MaterialiseGalaxyTags coverage

Completes the test side of the in-progress Galaxy-tag workstream:
- Phase7ApplierTests / Phase7ApplierHierarchyTests: supply the now-required
  Galaxy-tag args to Phase7Plan / Phase7CompositionResult.
- Add genuine coverage for Phase7Applier.MaterialiseGalaxyTags (folder-per-distinct-path,
  variable-per-tag node-id derivation, folder dedupe) + added-Galaxy-tags-trigger-rebuild.
- S7.Cli.Tests: use the project's S7CpuType (CLI option type) instead of S7.Net.CpuType.
Whole solution now builds 0/0; OpcUaServer.Tests 52, S7.Cli.Tests 36 green.

tests/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli.Tests/S7CommandBaseBuildOptionsTests.cs

@@ -2,8 +2,8 @@ using CliFx.Attributes;
 using CliFx.Infrastructure;
 using Shouldly;
 using Xunit;
+using ZB.MOM.WW.OtOpcUa.Driver.S7;
 using ZB.MOM.WW.OtOpcUa.Driver.S7.Cli;
-using S7NetCpuType = global::S7.Net.CpuType;
 
 namespace ZB.MOM.WW.OtOpcUa.Driver.S7.Cli.Tests;
 
@@ -41,7 +41,7 @@ public sealed class S7CommandBaseBuildOptionsTests
         {
             Host = "10.0.0.5",
             Port = 102,
-            CpuType = S7NetCpuType.S71500,
+            CpuType = S7CpuType.S71500,
             Rack = 0,
             Slot = 0,
             TimeoutMs = 5000,
@@ -72,7 +72,7 @@ public sealed class S7CommandBaseBuildOptionsTests
         {
             Host = "plc.shop.local",
             Port = 4102,
-            CpuType = S7NetCpuType.S7300,
+            CpuType = S7CpuType.S7300,
             Rack = 1,
             Slot = 2,
             TimeoutMs = 3000,
@@ -82,7 +82,7 @@ public sealed class S7CommandBaseBuildOptionsTests
 
         options.Host.ShouldBe("plc.shop.local");
         options.Port.ShouldBe(4102);
-        options.CpuType.ShouldBe(S7NetCpuType.S7300);
+        options.CpuType.ShouldBe(S7CpuType.S7300);
         options.Rack.ShouldBe((short)1);
         options.Slot.ShouldBe((short)2);
     }