Fixing material editor startup and critical asset issues

Added builder and tool aliases
Added dependency to Atom Bridge

Gems/Atom/Tools/MaterialEditor/Code/CMakeLists.txt

@@ -113,6 +113,11 @@ ly_add_target(
             Gem::MaterialEditor.Document
 )
 
+# Add a 'builders' alias to allow the MaterialEditor root gem path to be added to the generated
+# cmake_dependencies.<project>.assetprocessor.setreg to allow the asset scan folder for it to be added
+ly_create_alias(NAME MaterialEditor.Builders NAMESPACE Gem)
+ly_create_alias(NAME MaterialEditor.Tools NAMESPACE Gem)
+
 # Add build dependency to Editor for the MaterialEditor application since
 # Editor opens up the MaterialEditor
 ly_add_dependencies(Editor Gem::MaterialEditor)

Gems/Atom/Tools/MaterialEditor/gem.json

@@ -0,0 +1,10 @@
+{
+    "gem_name": "MaterialEditor",
+    "display_name": "Atom Material Editor",
+    "summary": "Editor for creating, modifying, and previewing materials",
+    "canonical_tags": [
+        "Gem"
+    ],
+    "user_tags": [
+    ]
+}

Gems/AtomLyIntegration/AtomBridge/Code/CMakeLists.txt

@@ -111,6 +111,7 @@ if(PAL_TRAIT_BUILD_HOST_TOOLS)
             Gem::AtomToolsFramework.Editor
             Gem::AtomViewportDisplayInfo
             Gem::AtomViewportDisplayIcons.Editor
+            Gem::MaterialEditor.Builders
     )