feat: Uninstall only installedextensions

lnbits/core/templates/core/install.html

@@ -88,7 +88,7 @@
               Manage</q-btn
             >
             <q-toggle
-              v-if="extension.isInstalled"
+              v-if="extension.isAvailable"
               :label="extension.isActive ? 'Activated':  'Deactivated' "
               color="secodary"
               v-model="extension.isActive"
@@ -168,9 +168,6 @@
                       color="primary unelevated mt-lg pt-lg"
                       >Install</q-btn
                     >
-                    <span v-if="isInstalledVersion(selectedExtension, release)"
-                      >xxxxx</span
-                    >
                   </q-card-section>
                   <q-separator></q-separator>
                   <div
@@ -184,7 +181,14 @@
       </div>
       <q-spinner v-else color="primary" size="2.55em"></q-spinner>
       <div class="row q-mt-lg">
-        <q-btn @click="showUninstall()" flat color="red"> Uninstall</q-btn>
+        <q-btn
+          v-if="selectedExtension?.isInstalled"
+          @click="showUninstall()"
+          flat
+          color="red"
+        >
+          Uninstall</q-btn
+        >
         <q-btn v-close-popup flat color="grey" class="q-ml-auto">Close</q-btn>
       </div>
     </q-card>