Project Manager Gem Dependencies (#4132)

* Fix engine API change and add gem dependencies

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Add GemCatalog dependency test

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Clarify display name and fix missing const

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Moving a couple helper functions into private scope

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Update gem count when unselecting a gem #4074

This addresses the following issue https://github.com/o3de/o3de/issues/4074

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Active/Inactive filter and dependency tooltips

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Accessors for previously added and dependencies

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Cart displays gem dependency changes

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Shorten titles to fit in summary popup

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Remove QString::number

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Remove extra space

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Consolidate source model accesor helpers

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Addressing minor feedback

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

* Remove unused local variable

Signed-off-by: AMZN-alexpete <26804013+AMZN-alexpete@users.noreply.github.com>

Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.h

@@ -75,8 +75,7 @@ namespace O3DE::ProjectManager
         QString m_version = "Unknown Version";
         QString m_lastUpdatedDate = "Unknown Date";
         int m_binarySizeInKB = 0;
-        QStringList m_dependingGemUuids;
-        QStringList m_conflictingGemUuids;
+        QStringList m_dependencies;
     };
 } // namespace O3DE::ProjectManager