fixing my rebase mistake by reapplying Gabriel's changes

src/validations/constraints/content/ssp-network-component-has-connection-security-prop-INVALID.xml

@@ -3,6 +3,7 @@
                       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                       xsi:schemaLocation="http://csrc.nist.gov/ns/oscal/1.0 https://github.com/usnistgov/OSCAL/releases/download/v1.1.2/oscal_ssp_schema.xsd"
                       uuid="12345678-1234-4321-8765-123456789012">
+    <system-implementation>
       <component uuid="69988666-0000-4000-9000-000000100006" type="interconnection">
         <title>External API Connection</title>
         <description>
@@ -19,4 +20,6 @@
           <p>This connection is used for secure data exchange with external systems.</p>
         </remarks>
       </component>
+    </system-implementation>
+  </system-security-plan>
 

src/validations/constraints/fedramp-external-constraints.xml

@@ -543,10 +543,10 @@
                 <prop namespace="https://docs.oasis-open.org/sarif/sarif/v2.1.0" name="help-url" value="https://automate.fedramp.gov/documentation/ssp/4-ssp-template-to-oscal-mapping/#leveraged-fedramp-authorized-services"/>
                 <message>A FedRAMP SSP MUST define exactly one system identifier for each leveraged authorization entry.</message>
 			</expect>
-            <expect id="network-component-has-connection-security-prop" target="//component[(@type='service' and not(./prop[@name='leveraged-authorization-uuid']) and ./prop[@name='implementation-point' and @value='external']) or (@type='interconnection') or (@type='service' and ./prop[@name='implementation-point' and @value='internal'] and ./prop[@name='direction']) or (@type='software' and ./prop[@name='asset-type' and @value='cli'] and ./prop[@name='direction'])]" test="count(./prop[@name='interconnection-security' and @ns='http://fedramp.gov/ns/oscal']) >= 1" level="ERROR">
+            <expect id="network-component-has-connection-security-prop" target="//component[(@type='service' and not(./prop[@name='leveraged-authorization-uuid']) and ./prop[@name='implementation-point' and @value='external']) or (@type='interconnection') or (@type='service' and ./prop[@name='implementation-point' and @value='internal'] and ./prop[@name='direction']) or (@type='software' and ./prop[@name='asset-type' and @value='cli'] and ./prop[@name='direction'])]" test="count(./prop[@name='interconnection-security' and @ns='https://fedramp.gov/ns/oscal']) >= 1" level="ERROR">
 				<formal-name>Network Component Has Connection Security Property</formal-name>
 				<prop namespace="https://docs.oasis-open.org/sarif/sarif/v2.1.0" name="help-url" value="https://automate.fedramp.gov/documentation/ssp/5-attachments/#system-inventory-approach"/>
-				<message>All network components in a FedRAMP SSP system implementation MUST define at least one interconnection security property</message>
+				<message>All network components in a FedRAMP SSP system implementation MUST define at least one interconnection security property.</message>
             </expect>
 		</constraints>
 	</context>