License Info is Displayed as Clickable Link in Gem Catalog + Other Inspector Improvements (#5272)

Signed-off-by: nggieber <nggieber@amazon.com>

Code/Tools/ProjectManager/Source/GemRepo/GemRepoInspector.cpp

@@ -99,7 +99,7 @@ namespace O3DE::ProjectManager
         m_nameLabel->setObjectName("gemRepoInspectorNameLabel");
         m_mainLayout->addWidget(m_nameLabel);
 
-        m_repoLinkLabel = new LinkLabel(tr("Repo Url"), QUrl(""), 12, this);
+        m_repoLinkLabel = new LinkLabel(tr("Repo Url"), QUrl(), 12, this);
         m_mainLayout->addWidget(m_repoLinkLabel);
         m_mainLayout->addSpacing(5);