Replace react-tether with react-popper

frontend/src/Components/Form/PathInput.css

@@ -1,66 +1,16 @@
-.path {
-  composes: input from '~Components/Form/Input.css';
-}
-
-.hasError {
-  composes: hasError from '~Components/Form/Input.css';
-}
-
-.hasWarning {
-  composes: hasWarning from '~Components/Form/Input.css';
-}
-
 .hasFileBrowser {
+  composes: input from '~./AutoSuggestInput.css';
   composes: hasButton from '~Components/Form/Input.css';
 }
 
-.pathInputWrapper {
+.inputWrapper {
   display: flex;
 }
 
-.pathInputContainer {
-  position: relative;
-  flex-grow: 1;
-}
-
-.pathContainer {
-  @add-mixin scrollbar;
-  @add-mixin scrollbarTrack;
-  @add-mixin scrollbarThumb;
-}
-
-.pathInputContainerOpen {
-  .pathContainer {
-    position: absolute;
-    z-index: 1;
-    overflow-y: auto;
-    max-height: 200px;
-    width: 100%;
-    border: 1px solid $inputBorderColor;
-    border-radius: 4px;
-    background-color: $white;
-    box-shadow: inset 0 1px 1px $inputBoxShadowColor;
-  }
-}
-
-.pathList {
-  margin: 5px 0;
-  padding-left: 0;
-  list-style-type: none;
-}
-
-.pathListItem {
-  padding: 0 16px;
-}
-
 .pathMatch {
   font-weight: bold;
 }
 
-.pathHighlighted {
-  background-color: $menuItemHoverBackgroundColor;
-}
-
 .fileBrowserButton {
   composes: button from '~./FormInputButton.css';