Review and integrate UI enhancements (#2078)

* [Frontend] WIP New local-controls classes

Fixes #2000
- h-local-controls
- Markup in plots changed
- Changed reset plot button's icon

* [Frontend] WIP local-controls classes

Fixes #2000
- Refactoring to use and apply local-control classes consistently;
- Plots and imagery done in main view and Display Layout contexts;

* [Frontend] WIP local-controls classes

Fixes #2000
- Use local-control classes in Timelines;
- Group Timeline buttons in l-btn-set;
- Use reset icon glyph;

* [Frontend] WIP local-controls classes

Fixes #2000
- Slight increase in size to buttons in frame context;

* [Frontend] local-controls classes

Fixes #2000
- Code cleanup;
- Update Style Guide content;
- Provisionally done, needs unit testing and double-checking;

* [Frontend] Better selecting in browse mode

Fixes #2000
- Better colors and approach to selecting in browse mode;

* [Frontend] Tweaks to pane collapse mini-tabs

Fixes #1758
Fixes #2000
- Enlarged mini-tabs and moved to screen top;
- Removed duplicative theme-based constants;

* [Frontend] Tweaks to "nav up" arrow button

Fixes #1758
Fixes #2000
- Increased hit area of .l-back "nav up" arrow in object-browse-bar;

* [Frontend] Glyph improvements

Fixes #1758
Fixes #2000
- New arrow glyph for view controls;
- Increased hit area of view controls in tree for mobile and desktop;
- Better "hamburger" menu glyph;

* [Frontend] Inspector refactor to CSS grid WIP

Fixes #1758
Fixes #2000
- WIP!!!;
- Good progress on Properties section;

* [Frontend] Inspector refactor to CSS grid WIP

Fixes #2000
- Significant mods to CSS and markup;
- New grid archetypes classes;
- Added title attribs to plot options edit and browse props;
- Added value, alarm markers to plot series browse props;
- Nearly done (?) but needs unit testing and cleanups;

* [Frontend] Minor tweaks to form and form-row

Fixes #2000
- Fixing margin problem with .form-row;
- h2 instead of div.section-header;

* [Frontend] Fixed H2 in Elements pool

Fixes #2000

* Refinements to Time Conductor

Fixes #2000
- Tweaks size of fixed position grab ticks;
- Positioning refinements to ticks and text;
- Hide major tick marks;

* Hide View Large button for nested hidden-frame Layouts

Fixes #2000
- When a layout is nested and has its frame hidden, hide the
View Large button;

* Better hiding of Time Conductor "Submit" button

Fixes #2000

* Re-added new icon-arrow-right-equilateral glyph;

Fixes #2000
Fixes #2078

* Remove commented styles/markup

Fixes #2000
Fixes #2078

* Repaired approach to hiding Time Conductor Submit button

Fixes #2000
Fixes #2078
- Renamed .off to .invisible and added refinements;

* Fixed wrong conflict resolutions; polish search

Fixes #2000
Fixes #2078
- .invisible instead of .off in search.html;
- Minor polishing to search;

fixes #1758
fixes #1763 
fixes #2011

platform/commonUI/general/res/sass/_global.scss

@@ -141,7 +141,6 @@ a.disabled {
 
 .s-status-missing {
     // Labels. Expects .s-status-missing to be applied to mct-representation that contains
-    // .t-object-label
     .t-object-label .t-item-icon:before {
         content: $glyph-icon-object-unknown;
     }
@@ -201,6 +200,9 @@ a.disabled {
 
 .vscroll {
     overflow-y: auto;
+    &.scroll-pad {
+        padding-right: $interiorMargin;
+    }
 }
 
 .slidable {
@@ -224,6 +226,10 @@ a.disabled {
     box-shadow: rgba(#000, 0.7) 0 4px 10px 2px;
 }
 
+.capitalize {
+    text-transform: capitalize;
+}
+
 .hide,
 .hidden,
 .t-main-view .hide-in-t-main-view {
@@ -235,14 +241,16 @@ a.disabled {
     pointer-events: none;
 }
 
-.off {
+.invisible {
+    display: block;
     visibility: hidden;
-    opacity: 0;
     height: 0;
-    margin: 0;
     padding: 0;
     border: 0;
     margin: 0 !important;
+    transform: scale(0);
+    pointer-events: none;
+    position: absolute;
 }
 
 .sep {