QInputFrame marginalia: don't focus and fix icon on disable (quasarframework#2515)

close quasarframework#2512

Author: pdanpdan

src/components/input-frame/QInputFrame.js

@@ -62,7 +62,7 @@ export default {
       this.$emit('click', e)
     },
     __onMouseDown (e) {
-      this.$nextTick(() => this.$emit('focus', e))
+      !this.disable && this.$nextTick(() => this.$emit('focus', e))
     },
     __additionalHidden (item, hasError, hasWarning, length) {
       if (item.condition !== void 0) {

src/components/input-frame/input-frame.ios.styl

@@ -135,8 +135,6 @@ $margin-top-box
     margin-left $input-control-margin
   &:hover
     opacity .7
-  &.q-icon
-    cursor pointer
 
 .q-if-baseline
   line-height $input-control-size

src/components/input-frame/input-frame.mat.styl

@@ -137,8 +137,6 @@ $margin-top-box
     margin-left $input-control-margin
   &:hover
     opacity .7
-  &.q-icon
-    cursor pointer
 
 .q-if-baseline
   line-height $input-control-size