TT#47003 Call: Diverse bug fixes

- Fixed opacity problem of minimized call
- Fixed conversation menu call back functionality

Change-Id: I6b3669f6382cc0ca0556786f0fe983bd2dddb59e

src/components/call/CscCall.vue

@@ -699,6 +699,7 @@
     .csc-call.csc-call-minimized.csc-call-established,
     .csc-call.csc-call-minimized.csc-call-ended
         bottom 0
+        opacity 1
     .csc-call.csc-call-full-width
         left 0
     .csc-call.csc-call-mobile

src/store/call.js

@@ -82,7 +82,7 @@ export default {
             return state.numberInput;
         },
         isNetworkConnected(state) {
-            return state.initialized;
+            return state.initializationState === RequestState.succeeded;
         },
         isCallAvailable(state, getters) {
             return getters.isNetworkConnected;