Updating extension video links for getting started series

Author: VesaJuvonen

docs/spfx/extensions/get-started/build-a-hello-world-extension.md

@@ -16,7 +16,7 @@ You can also follow the steps in this article by watching the video on the Share
 
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-> [!Video https://www.youtube.com/embed/5wITuXdBLqM]
+> [!Video https://www.youtube.com/embed/DnfRIl2YN8g]
 
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docs/spfx/extensions/get-started/building-simple-cmdset-with-dialog-api.md

@@ -14,7 +14,7 @@ You can follow these steps by watching the video on the SharePoint PnP YouTube C
 
 <br/>
 
-> [!Video https://www.youtube.com/embed/AiQ2d1bpARA]
+> [!Video https://www.youtube.com/embed/uaUGtLrNbRA]
 
 <br/> 
 

docs/spfx/extensions/get-started/building-simple-field-customizer.md

@@ -14,7 +14,7 @@ You can follow these steps by watching the video on the SharePoint PnP YouTube C
 
 <br/>
 
-> [!Video https://www.youtube.com/embed/q5gLIyhIkJo]
+> [!Video https://www.youtube.com/embed/mBZ7Sq_KfDA]
 
 <br/> 
 

docs/spfx/extensions/get-started/hosting-extension-from-office365-cdn.md

@@ -21,7 +21,7 @@ You can also follow these steps by watching the video on the SharePoint PnP YouT
 
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-> [!Video https://www.youtube.com/embed/q4ZXlqE-MC4]
+> [!Video https://www.youtube.com/embed/xsZbRliakyM]
 
 <br/> 
 

docs/spfx/extensions/get-started/serving-your-extension-from-sharepoint.md

@@ -20,7 +20,7 @@ You can also follow these steps by watching the video on the SharePoint PnP YouT
 
 <br/>
 
-> [!Video https://www.youtube.com/embed/G0_meTR17PU]
+> [!Video https://www.youtube.com/embed/tReoZGtAYB4]
 
 <br/> 
 

docs/spfx/extensions/get-started/using-page-placeholder-with-extensions.md

@@ -18,7 +18,7 @@ You can also follow these steps by watching the video on the SharePoint PnP YouT
 
 <br/>
 
-> [!Video https://www.youtube.com/embed/gVDOLGkr-ag]
+> [!Video https://www.youtube.com/embed/Wm1PG8U5bSw]
 
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