Enhance FileSystem dock

* Collapse / Uncollapse folder with double click
* Sync with tree and bottom panel
* Show selected folder in tree when changed

Proposed change to close issue "#6382 - Properties in the inspector lacking tooltips"

Rename the debug symbol files to .debugsymbols

Spread should be in degree (see documentation, and flag_disable_z case)

[DOCS] Camera property changes

Some users were confused by the '.debug' suffix for the symbols.

Fix mouse button release not sent to gui_input if it's different from the button that gave focus

Some performance tweaking of string handling

Updated Linux template extensions to match architecture.

Fix #14564 ImmediateGeometry normals act strangely compared to SurfaceTool

Remove get_stack_bottom

Enhanced changeType menu in Scene Tree Dock

Made multiline property editor deselect text when opening

It's not used in godot-nim any longer and there were no other uses for
it.

closes godotengine/godot#6382 - traverse classes docs so that all properties from inherited classes have tooltips accordingly

Pressing Enter key creates or loads script on Attach script window

Account for folded code blocks when navigating via members list

Enhanced Merge From Scene

Add API for ScriptEditor to open ScriptCreateDialog

Fix theme for Mesh menu

Focus path field after seleting file browser on Attach script window

Modifies text indentation behaviour

Prevent users from moving instanced children

Renamed navmesh_create to navmesh_add since no navmesh is created.

Enhancements and fixes for PopupMenu's submenus

Fix thin lines in editor gui on hidpi (issue 14691)

Remove "const" from PacketPeer get_packet/get_var, move windows network related stuff to drivers

Fixes oversized tooltip labels (issue 14570)

Fix 32bit MingW build for thekla_altas

Fixes close button overlapping window title

Fixes #14696.

Fixes #14709.

Same as https://github.com/Thekla/thekla_atlas/pull/11,
but adding  comments until it's merged upstream.